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(Glu20)-Glucagon (1-29) (human, rat, porcine)
(Glu20)-Glucagon (1-29) (human, rat, porcine) is a deamidation product of glucagon. Alternative Names: H-His-Ser-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Lys-Tyr-Leu-Asp-Ser-Arg-Arg-Ala-Glu-Asp-Phe-Val-Gln-Trp-Leu-Met-Asn-Thr-OH. Grades: ≥95%. CAS No. 2022956-46-1. Molecular formula: C153H224N42O50S. Mole weight: 3483.78.
(Glu24)-Glucagon (1-29) (human, rat, porcine)
(Glu24)-Glucagon (1-29) (human, rat, porcine) is a deamidation product of glucagon. Alternative Names: H-His-Ser-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Lys-Tyr-Leu-Asp-Ser-Arg-Arg-Ala-Gln-Asp-Phe-Val-Glu-Trp-Leu-Met-Asn-Thr-OH. Grades: ≥95%. CAS No. 308356-99-2. Molecular formula: C153H224N42O50S. Mole weight: 3483.78.
[Glu27]-PKC (19-36)
[Glu27]-PKC (19-36) is the inactive single mutation control peptide for PKC (19-36), a pseudosubstrate peptide inhibitor of protein kinase C. Alternative Names: H-Arg-Phe-Ala-Arg-Lys-Gly-Ala-Leu-Glu-Gln-Lys-Asn-Val-His-Glu-Val-Lys-Asn-OH; L-arginyl-L-phenylalanyl-L-alanyl-L-arginyl-L-lysyl-glycyl-L-alanyl-L-leucyl-L-alpha-glutamyl-L-glutaminyl-L-lysyl-L-asparagyl-L-valyl-L-histidyl-L-alpha-glutamyl-L-valyl-L-lysyl-L-asparagine. Grades: >98%. CAS No. 309247-49-2. Molecular formula: C92H154N32O26. Mole weight: 2124.43.
(Glu3)-Glucagon (1-29) (human, rat, porcine)
(Glu3)-Glucagon (1-29) (human, rat, porcine) is a deamidation product of glucagon. Alternative Names: H-His-Ser-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Lys-Tyr-Leu-Asp-Ser-Arg-Arg-Ala-Gln-Asp-Phe-Val-Gln-Trp-Leu-Met-Asn-Thr-OH. Grades: ≥95%. CAS No. 108997-34-8. Molecular formula: C153H224N42O50S. Mole weight: 3483.78.
(Gly14)-Humanin (human)
(Gly14)-Humanin (human) is an analog of Humanin. Humanin is a micropeptide encoded by the 16S ribosomal RNA gene MT-RNR2 in the mitochondrial genome. Alternative Names: H-Met-Ala-Pro-Arg-Gly-Phe-Ser-Cys-Leu-Leu-Leu-Leu-Thr-Gly-Glu-Ile-Asp-Leu-Pro-Val-Lys-Arg-Arg-Ala-OH. CAS No. 330936-70-4. Molecular formula: C118H202N34O31S2. Mole weight: 2657.21.
(Gly21)-Amyloid β-Protein (1-42)
The Flemish mutation (A21G) displays a decreased tendency to aggregate and a reduced neurotoxicity. A21G is pathogenic because it is degraded by Neprilysin significantly more slowly than WT Abeta42. Alternative Names: Amyloid β-Protein (1-42) A21G; H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Gly-Glu-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-Ile-Ala-OH; L-alpha-aspartyl-L-alanyl-L-alpha-glutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-alpha-aspartyl-L-seryl-glycyl-L-tyrosyl-L-alpha-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-glycyl-L-alpha-glutamyl-L-alpha-aspartyl-L-valyl-glycyl-L-seryl-L-asparagyl-L-lysyl-glycyl-L-alanyl-L-isoleucyl-L-isoleucyl-glycyl-L-leucyl-L-methionyl-L-valyl-glycyl-glycyl-L-valyl-L-valyl-L-isoleucyl-L-alanine. Grades: ≥95% by HPLC. CAS No. 383200-53-1. Molecular formula: C202H309N55O60S. Mole weight: 4500.08.
(Gly22)-Amyloid β-Protein (1-40)
(Gly22)-Amyloid β-Protein (1-40) is a highly neurotoxic Aβ arctic mutant (E22G) that has been used to study the mechanism underlying of soluble and insoluble β-amyloid aggregation formation. As wild-type Aβ, it preferably assembles in the presence of GM1 ganglioside. Alternative Names: Amyloid β-Protein (1-40) E22G; H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Gly-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-OH; L-alpha-aspartyl-L-alanyl-L-alpha-glutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-alpha-aspartyl-L-seryl-glycyl-L-tyrosyl-L-alpha-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-glycyl-L-alpha-aspartyl-L-valyl-glycyl-L-seryl-L-asparagyl-L-lysyl-glycyl-L-alanyl-L-isoleucyl-L-isoleucyl-glycyl-L-leucyl-L-methionyl-L-valyl-glycyl-glycyl-L-valyl-L-valine. Grades: ≥95%. CAS No. 175010-18-1. Molecular formula: C191H291N53O56S. Mole weight: 4257.74.
(Gly22)-Amyloid β-Protein (1-42)
(Gly22)-Amyloid β-Protein (1-42) is an arctic mutant of amyloid β-peptide 1-42, in which Glu22 is substituted by Gly, and is significantly more amyloidogenic than wild-type Aβ 1-42. Alternative Names: Amyloid β-Protein (1-42) Arctic Mutation; H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Gly-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-Ile-Ala-OH; L-alpha-aspartyl-L-alanyl-L-alpha-glutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-alpha-aspartyl-L-seryl-glycyl-L-tyrosyl-L-alpha-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-glycyl-L-alpha-aspartyl-L-valyl-glycyl-L-seryl-L-asparagyl-L-lysyl-glycyl-L-alanyl-L-isoleucyl-L-isoleucyl-glycyl-L-leucyl-L-methionyl-L-valyl-glycyl-glycyl-L-valyl-L-valyl-L-isoleucyl-L-alanine. Grades: ≥95%. CAS No. 1802086-23-2. Molecular formula: C200H307N55O58S. Mole weight: 4442.04.
(Gly5,Thr7,Ser9)-Oxytocin
(Gly5,Thr7,Ser9)-Oxytocin, an oxytocin analogue, is a selective oxytocin receptor agonist that can intact the human myometrium in the submicromolar range, ignoring other subtype related receptors (i.e., V1a, V1b and V2 receptors) at concentrations greater than 10 μM. Alternative Names: kB7-OT; H-Cys-Tyr-Ile-Gln-Gly-Cys-Thr-Leu-Ser-NH2 (Disulfide bridge: Cys1-Cys6). Grades: ≥95%. Molecular formula: C41H65N11O13S2. Mole weight: 984.15.
[Gly9-OH]-Atosiban
An impurity of Atosiban. Atosiban is a synthetic peptide that acts as a selective oxytocin receptor antagonist, primarily used to delay preterm labor in pregnant women. Alternative Names: Mpr-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn-Gly(Mpr1&Cys6 bridge); Atosiban (free acid); (Deamino-Cys1,D-Tyr(Et)2,Thr4,Orn8)-Oxytocin (free acid); 3-Mercaptopropionyl-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn-Gly-OH (Disulfide bond); deamino-Cys-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn-Gly-OH (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-O4-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparagyl-L-cysteinyl-L-prolyl-L-ornithyl-glycine (1->6)-disulfide; Glycine, O-ethyl-N-(3-mercapto-1-oxopropyl)-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-ornithyl-, cyclic (1→5)-disulfide; Gly9-Atosiban; [Gly9]-Atosiban; Gly(9)-Atosiban. Grades: ≥95%. CAS No. 168102-69-0. Molecular formula: C43H66N10O13S2. Mole weight: 995.19.
(H-CYS-GLY-OH)2
(H-CYS-GLY-OH)2. Alternative Names: Cys-Gly, oxidized; Cys(Cys-Gly)-Gly; Cys-Gly disulfide; 2,2'-{disulfanediylbis[(2-amino-1-oxopropane-3,1-diyl)azanediyl]}diacetic acid. CAS No. 7729-20-6. Molecular formula: C10H18N4O6S2. Mole weight: 354.40.
(H-Cys-Phe-OH)2, (Disulfide bond)
(H-Cys-Phe-OH)2, (Disulfide bond). Alternative Names: L-Cystinyl-bis-phenylalanine. Grades: 95%. CAS No. 62130-80-7. Molecular formula: C24H30N4O6S2. Mole weight: 534.65.
(H-Cys-Tyr-OH)2, (Disulfide bond)
(H-Cys-Tyr-OH)2, (Disulfide bond). Alternative Names: N-(2-Amino-3-((2-amino-3-((1-carboxy-2-(4-hydroxyphenyl)ethyl)amino)-3-oxopropyl)dithio)propanoyl)-4-hydroxyphenylalanine; NSC 333714. Grades: 95%. CAS No. 7369-94-0. Molecular formula: C24H30N4O8S2. Mole weight: 566.65.
(His(3-Me)2)-TRH
It is a TRH analog that has improved in vitro and in vivo biostability. Alternative Names: (His(π-Me)2)-TRH; (His(3-Me)2)-TRH; Pyroglutamyl-3-methylhistidyl-prolinamide; 3-Mehis-trh; 3-Methylhistidine-trh; 3-Me-Trh; 3-Me-His(2)trh; Pglu-3-Me-his-pro-NH2; 3-Methyl-thyrotropin-releasing hormone; 3-Methyl-L-histidyl-N-{[(2S)-5-oxo-2-pyrrolidinyl]carbonyl}-L-prolinamide. Grades: 95%. CAS No. 34367-54-9. Molecular formula: C17H24N6O4. Mole weight: 376.41.
(Hyp3,β-(2-thienyl)-Ala5,Tyr(Me)8-(R)-Arg9)-Bradykinin, a selective bradykinin B2 receptor agonist, has a longer plasma half-life than bradykinin, and transiently increases the blood-brain barrier (BBB) permeability to facilitate drug delivery to the central nervous system. Alternative Names: Labradimil; (Hyp3,β-(2-thienyl)-Ala5,Tyr(Me)8-psi(CH2NH)Arg9)-Bradykinin; H-Arg-Pro-Hyp-Gly-β-(2-thienyl)-Ala-Ser-Pro-Tyr(Me)-psi(CH2NH)Arg-OH; Cereport; Lobradimil; RMP-7; (S-(R*,R*))-L-Arginyl-L-prolyl-trans-4-hydroxy-L-prolyl-3-(2-thienyl)-L-alanylglycyl-L-seryl-N-(2-((4-((aminoiminomethyl)amino)-1-carboxybutyl)amino)-1-((4-methoxyphenyl)methyl)ethyl)-L-prolinamide; N2-((S)-2-(L-Arginyl-L-prolyl-trans-4-hydroxy-L-prolylglycyl-3-(2-thienyl)-L-alanyl-L-seryl-L-prolinamido)-3-(p-methoxyphenyl)propyl)-L-arginine. Grades: 95%. CAS No. 159768-75-9. Molecular formula: C49H75N15O12S. Mole weight: 1098.28.
[Ile5]-Angiotensin II (3-8)
[Ile5]-Angiotensin II (3-8) is a less effective agonist of the angiotensin AT1 receptor. Alternative Names: Human angiotensin IV; Ile3-angiotensin IV; 1-De-asp-2-de-arg-5-ile-angiotensin II; (Des(Asp1,Arg2)-Ile5)angiotensin II; H-Val-Tyr-Ile-His-Pro-Phe-OH; 3-8-Angiotensin II, 5-L-isoleucine-; 5-L-Isoleucine-3-8-angiotensin II; Alanine, 3-phenyl-N-[1-[N-[N-(N-L-valyl-L-tyrosyl)-L-isoleucyl]-L-histidyl]-L-prolyl]-; Alanine, 3-phenyl-N-[1-[N-[N-(N-valyltyrosyl)isoleucyl]histidyl]prolyl]-; Angiotensin II, 1-de-L-aspartic acid-2-de-L-arginine-5-L-isoleucine-; Angiotensin IV, 3-L-isoleucine-; (3-8)-5-Isoleucine-angiotensin II; (Isoleucine5)-angiotensin II hexapeptide; 1-De-L-aspartic-2-de-L-arginine-5-L-isoleucineangiotensin II; 3-8-(5-Ile)-angiotensin-II; [Des-Asp1,des-Arg2,Ile5]-angiotensin II; Angiotensin IV; Human angiotensin hexapeptide(3-8); Human angiotensin(3-8). Grades: ≥95%. CAS No. 23025-68-5. Molecular formula: C40H54N8O8. Mole weight: 774.91.
[Ile5]-Angiotensin II (3-8) TFA
[Ile5]-Angiotensin II (3-8) TFA is a less effective agonist of the angiotensin AT1 receptor. Alternative Names: H-Val-Tyr-Ile-His-Pro-Phe-OH.TFA; L-valyl-L-tyrosyl-L-isoleucyl-L-histidyl-L-prolyl-L-phenylalanine trifluoroacetic acid; 5-L-Isoleucine-3-8-angiotensin II trifluoroacetate salt; (3-8)-5-Isoleucine-angiotensin II trifluoroacetate salt; Ile3-angiotensin IV trifluoroacetate salt; [Ile5]-angiotensin II (3-8) trifluoroacetate salt; Angiotensin IV TFA. Grades: ≥95%. Molecular formula: C40H54N8O8.C2HF3O2. Mole weight: 888.94.
(Ile5,Trp23,Tyr36)-pTH-Related Protein (1-36) (human, mouse, rat)
(Ile5,Trp23,Tyr36)-pTH-Related Protein (1-36) (human, mouse, rat). Alternative Names: (Ile5,Trp23,Tyr36)-Hypercalcemia of Malignancy Factor (1-36) (human, mouse, rat); H-Ala-Val-Ser-Glu-Ile-Gln-Leu-Leu-His-Asp-Lys-Gly-Lys-Ser-Ile-Gln-Asp-Leu-Arg-Arg-Arg-Phe-Trp-Leu-His-His-Leu-Ile-Ala-Glu-Ile-His-Thr-Ala-Glu-Tyr-OH; L-alanyl-L-valyl-L-seryl-L-alpha-glutamyl-L-isoleucyl-L-glutaminyl-L-leucyl-L-leucyl-L-histidyl-L-alpha-aspartyl-L-lysyl-glycyl-L-lysyl-L-seryl-L-isoleucyl-L-glutaminyl-L-alpha-aspartyl-L-leucyl-L-arginyl-L-arginyl-L-arginyl-L-phenylalanyl-L-tryptophyl-L-leucyl-L-histidyl-L-histidyl-L-leucyl-L-isoleucyl-L-alanyl-L-alpha-glutamyl-L-isoleucyl-L-histidyl-L-threonyl-L-alanyl-L-alpha-glutamyl-L-tyrosine; (Ile5,Trp23,Tyr36)-pTHrP (1-36) (human, mouse, rat). Grades: ≥95%. CAS No. 181057-31-8. Molecular formula: C196H308N58O53. Mole weight: 4324.96.
(Kyn25)-Liraglutide trifluoroacetate salt
(Kyn25)-Liraglutide trifluoroacetate salt is an impurity of Liraglutide. Alternative Names: H-His-Ala-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys(γ-Glu-palmitoyl)-Glu-Phe-Ile-Ala-Kyn-Leu-Val-Arg-Gly-Arg-Gly-OH trifluoroacetate salt. Molecular formula: C171H265N43O52.C2HF3O2. Mole weight: 3869.20.
(Leu13)-Motilin (human, porcine)
(Leu13)-Motilin (human, porcine) produces an excitatory reaction in the gastrointestinal tract of chickens, with varying sensitivity in different regions. The mechanisms of action are different between the proventriculus and the intestinal segments. Motilin analogues contract intestinal segments by acting directly on smooth muscle cells whereas in the proventriculus it causes contraction and enhancement of electric field stimulation-induced responses by acting on the intramural cholinergic neurons. Alternative Names: H-Phe-Val-Pro-Ile-Phe-Thr-Tyr-Gly-Glu-Leu-Gln-Arg-Leu-Gln-Glu-Lys-Glu-Arg-Asn-Lys-Gly-Gln-OH; L-phenylalanyl-L-valyl-L-prolyl-L-isoleucyl-L-phenylalanyl-L-threonyl-L-tyrosyl-glycyl-L-alpha-glutamyl-L-leucyl-L-glutaminyl-L-arginyl-L-leucyl-L-glutaminyl-L-alpha-glutamyl-L-lysyl-L-alpha-glutamyl-D-arginyl-D-asparagyl-L-lysyl-glycyl-D-glutamine; Motilin (swine), 13-L-leucine-. Grades: 95%. CAS No. 59530-69-7. Molecular formula: C121H190N34O35. Mole weight: 2681.01.
[Leu27]-Melan-A, MART 1 (26-35)
[Leu27]-Melan-A, MART 1 (26-35) is an analog of MART-1 (26-35), which is an immunodominant antigen from melanocyte / melanoma (Melan-A / MART) protein. [Leu27]-Melan-A MART 1 (26-35) shows better HLA-A*0201 binding properties as well as better immunogenicity and antigenicity than the natural MART 1 (26-35). Alternative Names: H-Glu-Leu-Ala-Gly-Ile-Gly-Ile-Leu-Thr-Val-OH; Glu-Leu-Ala-Gly-Ile-Gly-Ile-Leu-Thr-Val; Melan-A / MART-1 analog. CAS No. 204060-45-7. Molecular formula: C45H80N10O14. Mole weight: 985.18.
[Leu31,Pro34]-Neuropeptide Y (human, rat)
[Leu31,Pro34]-Neuropeptide Y (human, rat) is a high affinity neuropeptide Y Y1 receptor agonist (Ki = 0.39 nM). Alternative Names: [Leu31,Pro34]-NPY (human, rat); H-Tyr-Pro-Ser-Lys-Pro-Asp-Asn-Pro-Gly-Glu-Asp-Ala-Pro-Ala-Glu-Asp-Met-Ala-Arg-Tyr-Tyr-Ser-Ala-Leu-Arg-His-Tyr-Ile-Asn-Leu-Leu-Thr-Arg-Pro-Arg-Tyr-NH2; L-tyrosyl-L-prolyl-L-seryl-L-lysyl-L-prolyl-L-alpha-aspartyl-L-asparagyl-L-prolyl-glycyl-L-alpha-glutamyl-L-alpha-aspartyl-L-alanyl-L-prolyl-L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-L-methionyl-L-alanyl-L-arginyl-L-tyrosyl-L-tyrosyl-L-seryl-L-alanyl-L-leucyl-L-arginyl-L-histidyl-L-tyrosyl-L-isoleucyl-L-asparagyl-L-leucyl-L-leucyl-L-threonyl-L-arginyl-L-prolyl-L-arginyl-L-tyrosinamide. Grades: ≥95%. CAS No. 132699-73-1. Molecular formula: C189H284N54O56S. Mole weight: 4240.67.
[Leu31,Pro34]-Neuropeptide Y (porcine)
[Leu31,Pro34]-Neuropeptide Y (porcine) is a high affinity neuropeptide Y Y1 receptor agonist (Ki = 0.54 nM). Alternative Names: (Leu(31),pro(34))npy; 31-Leu-34-pro-neuropeptide Y; Pancreatic polypeptide (chicken), 1-L-tyrosine-4-L-lysine-6-L-aspartic acid-7-L-asparagine-10-L-glutamic acid-14-L-alanine-18-L-alanine-20-L-tyrosine-22-L-serine-23-L-alanine-25-L-arginine-26-L-histidine-28-L-isoleucine-30-L-leucine-31-L-leucine-34-L-proline. CAS No. 125580-28-1. Molecular formula: C190H286N54O56. Mole weight: 4222.63.
[Leu5]-Enkephalin
[Leu5]-Enkephalin is an endogenous opioid agonist peptide with morphine-like activity. It inhibits electrically stimulated contractions in mouse vas deferens (IC50 = 11.4 nM). Alternative Names: Leu-enkephalin; Leucine enkephalin; Leucyl-enkephalin; H-Tyr-Gly-Gly-Phe-Leu-OH; YGGFL; L-tyrosyl-glycyl-glycyl-L-phenylalanyl-L-leucine. Grades: ≥95%. CAS No. 58822-25-6. Molecular formula: C28H37N5O7. Mole weight: 555.62.
[Leu5]-Enkephalin, amide
[Leu5]-Enkephalin, amide is a δ opioid receptor agonist peptide. Alternative Names: Leu-Enkephalin amide; Leucine enkephalinamide; Enkephalinamide-leu; H-Tyr-Gly-Gly-Phe-Leu-NH2; L-tyrosyl-glycyl-glycyl-L-phenylalanyl-L-leucinamide; YGGFL. Grades: ≥95%. CAS No. 60117-24-0. Molecular formula: C28H38N6O6. Mole weight: 554.64.
[Leu5]-Enkephalin TFA
[Leu5]-Enkephalin TFA is an endogenous opioid agonist peptide with morphine-like activity. It inhibits electrically stimulated contractions in mouse vas deferens (IC50 = 11.4 nM). Alternative Names: L-Leucine, L-tyrosylglycylglycyl-L-phenylalanyl-, mono(trifluoroacetate) (salt); L-Leucine, N-[N-[N-(N-L-tyrosylglycyl)glycyl]-L-phenylalanyl]-, mono(trifluoroacetate) (salt); Acetic acid, trifluoro-, compd. with N-[N-[N-(N-L-tyrosylglycyl)glycyl]-L-phenylalanyl]-L-leucine (1:1); Leucine-enkephalin trifluoroacetate; H-Tyr-Gly-Gly-Phe-Leu-OH.TFA; YGGFL.TFA; L-tyrosyl-glycyl-glycyl-L-phenylalanyl-L-leucine trifluoroacetic acid. Grades: ≥95%. CAS No. 73563-78-7. Molecular formula: C28H37N5O7.C2HF3O2. Mole weight: 669.65.
(Lys22)-Amyloid β-Protein (1-40) is an Italian mutation of β-amyloid 1-40 (E22K), which aggregates faster than wild-type sequence 1-40. It exhibits higher neurotoxicity, probably due to the salt bridge formed between Lys22 and Asp23 in the minor conformer. Like the Arctic, Flemish and Dutch mutants, it is degraded by neprilysin much more slowly than the wild-type Aβ. Alternative Names: Amyloid β-Protein (1-40) Italian Mutation; H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Lys-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-OH; L-Valine, L-α-aspartyl-L-alanyl-L-α-glutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-α-aspartyl-L-serylglycyl-L-tyrosyl-L-α-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-lysyl-L-α-aspartyl-L-valylglycyl-L-seryl-L-asparaginyl-L-lysylglycyl-L-alanyl-L-isoleucyl-L-isoleucylglycyl-L-leucyl-L-methionyl-L-valylglycylglycyl-L-valyl-. Grades: ≥95%. CAS No. 302905-01-7. Molecular formula: C195H300N54O56S. Mole weight: 4328.92.
(Lys22)-Amyloid β-Protein (1-42)
(Lys22)-Amyloid β-Protein (1-42), the Italian mutation (E22K), aggregates faster than the wild-type sequence. Alternative Names: Amyloid β-Protein (1-42) Italian Mutation; H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Lys-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-Ile-Ala-OH; L-alpha-aspartyl-L-alanyl-L-alpha-glutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-alpha-aspartyl-L-seryl-glycyl-L-tyrosyl-L-alpha-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-lysyl-L-alpha-aspartyl-L-valyl-glycyl-L-seryl-L-asparagyl-L-lysyl-glycyl-L-alanyl-L-isoleucyl-L-isoleucyl-glycyl-L-leucyl-L-methionyl-L-valyl-glycyl-glycyl-L-valyl-L-valyl-L-isoleucyl-L-alanine. Grades: ≥95%. CAS No. 383200-59-7. Molecular formula: C204H316N56O58S. Mole weight: 4513.16.
(Lys7)-Phalloidin
(Lys7)-Phalloidin. Alternative Names: Bicyclic(Ala-DThr-Cys-cis-4-hydroxy-Pro-Ala-2-mercapto-Trp-Lys)(S-3→6); Cyclo(-Ala-D-Thr-Cys-cis-Hyp-Ala-Trp-Lys) (Sulfide bond between Cys and indol-2-yl); (1S,14R,18S,20S,23S,28S,31S,34R)-28-(4-Aminobutyl)-18-hydroxy-34-[(1S)-1-hydroxyethyl]-23,31-dimethyl-12-thia-10,16,22,25,27,30,33,36-octaazapentacyclo[12.11.11.03,11.04,9.016,20]hexatriaconta-3(11),4,6,8-tetraene-15,21,24,26,29,32,35-heptone. Grades: ≥95%. CAS No. 1393889-01-4. Molecular formula: C35H49N9O9S. Mole weight: 771.88.
(Lys(Me)29)-Histone H3 (1-21)-Gly-Gly-Lys(biotinyl). Alternative Names: H-Ala-Arg-Thr-Lys-Gln-Thr-Ala-Arg-Lys(Me)2-Ser-Thr-Gly-Gly-Lys-Ala-Pro-Arg-Lys-Gln-Leu-Ala-Gly-Gly-Lys(biotinyl)-OH; L-alanyl-L-arginyl-L-threonyl-L-lysyl-L-glutaminyl-L-threonyl-L-alanyl-L-arginyl-N6,N6-dimethyl-L-lysyl-L-seryl-L-threonyl-glycyl-glycyl-L-lysyl-L-alanyl-L-prolyl-L-arginyl-L-lysyl-L-glutaminyl-L-leucyl-L-alanyl-glycyl-glycyl-N6-biotinyl-L-lysine. Grades: ≥95%. CAS No. 1622085-04-4. Molecular formula: C116H208N42O33S. Mole weight: 2751.26.
(Lys(Me)327)-Histone H3 (21-44)-Gly-Lys(biotinyl)
(Lys(Me)327)-Histone H3 (21-44)-Gly-Lys(biotinyl). Alternative Names: H3K27(Me3)-GK(biotin); H-Ala-Thr-Lys-Ala-Ala-Arg-Lys(Me)3-Ser-Ala-Pro-Ala-Thr-Gly-Gly-Val-Lys-Lys-Pro-His-Arg-Tyr-Arg-Pro-Gly-Gly-Lys(biotinyl)-OH; L-alanyl-L-threonyl-L-lysyl-L-alanyl-L-alanyl-L-arginyl-N6,N6,N6-trimethyl-L-lysyl-L-seryl-L-alanyl-L-prolyl-L-alanyl-L-threonyl-glycyl-glycyl-L-valyl-L-lysyl-L-lysyl-L-prolyl-L-histidyl-L-arginyl-L-tyrosyl-L-arginyl-L-prolyl-glycyl-glycyl-N6-biotinyl-L-lysine. Grades: ≥95%. CAS No. 2022956-67-6. Molecular formula: C130H221N44O33S. Mole weight: 2960.53.
[Lys(Me3)36]-Histone H3 (21-44)-Gly-Lys(biotinyl)
[Lys(Me3)36]-Histone H3 (21-44)-Gly-Lys(biotinyl) is a derivative of Histone H3, a fundamental unit of chromatin. Alternative Names: [Lys(Me3)36]-Histone H3 (21-44)-GK(Biotin); H3K36(Me3), biotin-labeled; Ala-Thr-Lys-Ala-Ala-Arg-Lys-Ser-Ala-Pro-Ala-Thr-Gly-Gly-Val-Lys(Me3)-Lys-Pro-His-Arg-Tyr-Arg-Pro-Gly-Gly-Lys(Biotin). Molecular formula: C130H220N44O33S. Mole weight: 2959.5.
(Lys(Me)39)-Histone H3 (1-21)-Gly-Gly-Lys(biotinyl) amide. Alternative Names: H3K9(Me3)-GGK(biotin); H-Ala-Arg-Thr-Lys-Gln-Thr-Ala-Arg-Lys(Me)3-Ser-Thr-Gly-Gly-Lys-Ala-Pro-Arg-Lys-Gln-Leu-Ala-Gly-Gly-Lys(biotinyl)-NH2; L-alanyl-L-arginyl-L-threonyl-L-lysyl-L-glutaminyl-L-threonyl-L-alanyl-L-arginyl-N6,N6,N6-trimethyl-L-lysyl-L-seryl-L-threonyl-glycyl-glycyl-L-lysyl-L-alanyl-L-prolyl-L-arginyl-L-lysyl-L-glutaminyl-L-leucyl-L-alanyl-glycyl-glycyl-N6-biotinyl-L-lysinamide. Grades: ≥95%. CAS No. 2022956-73-4. Molecular formula: C117H212N43O32S. Mole weight: 2765.31.
[Met5]-Enkephalin, amide
It is an agonist for δ opioid receptors as well as putative ζ (zeta) opioid receptors. Alternative Names: 5-Methionine-enkephalin amide; L-Methioninamide, L-tyrosylglycylglycyl-L-phenylalanyl-; L-Tyrosylglycylglycyl-L-phenylalanyl-L-methioninamide; BI 251; H-Tyr-Gly-Gly-Phe-Met-NH2; Met5-enkephalin amide; Methionine enkephalin amide; Tyr-Gly-Gly-Phe-Met-NH2; YGGFM-NH2. Grades: >95%. CAS No. 60117-17-1. Molecular formula: C27H36N6O6S. Mole weight: 572.68.
(Met(O)27)-Glucagon (1-29) (human, rat, porcine)
(Met(O)27)-Glucagon (1-29) (human, rat, porcine) shows the same maximum glucose mobilizing activity as native glucagon in rat liver cells, but its activity is lower. This suggests that methionine plays a crucial role in the binding of glucagon to its liver receptor. Alternative Names: H-His-Ser-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Lys-Tyr-Leu-Asp-Ser-Arg-Arg-Ala-Gln-Asp-Phe-Val-Gln-Trp-Leu-Met(O)-Asn-Thr-OH; L-histidyl-L-seryl-L-glutaminyl-glycyl-L-threonyl-L-phenylalanyl-L-threonyl-L-seryl-L-alpha-aspartyl-L-tyrosyl-L-seryl-L-lysyl-L-tyrosyl-L-leucyl-L-alpha-aspartyl-L-seryl-L-arginyl-L-arginyl-L-alanyl-L-glutaminyl-L-alpha-aspartyl-L-phenylalanyl-L-valyl-L-glutaminyl-L-tryptophyl-L-leucyl-S-oxo-L-methionyl-L-asparagyl-L-threonine; 27-Met-sulfoxide-glucagon; glucagon, Met-sulfoxide(27)-; glucagon, methionine sulfoxide(27)-. Grades: ≥95%. CAS No. 75217-63-9. Molecular formula: C153H225N43O50S. Mole weight: 3498.75.
(Met(O)35)-Amyloid β-Protein (1-42)
Compared with Aβ 1-42, (Met(O)35)-Amyloid β-Protein (1-42) is nontoxic to hippocampal neuronal cultures of 9-11 day-old rat embryos and does not produce any protein oxidation. It is also proved that fibril formation is not affected by Met(O)35. Alternative Names: Amyloid β-Protein (1-42) sulfoxide; H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Glu-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met(O)-Val-Gly-Gly-Val-Val-Ile-Ala-OH. Grades: ≥95% by HPLC. CAS No. 1802086-68-5. Molecular formula: C203H311N55O61S. Mole weight: 4530.03.
[Nle11]-Substance P
[Nle11]-Substance P is an analogue of Substance P, which can avoid methionine oxidation problems. The endogenous receptor for substance P is neurokinin 1 receptor (NK1-receptor, NK1R). Alternative Names: substance P NleNH2(11); Substance P [Nle11]; Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Nle-NH2; L-arginyl-L-prolyl-L-lysyl-L-prolyl-L-glutaminyl-L-glutaminyl-L-phenylalanyl-L-phenylalanyl-glycyl-L-leucyl-L-norleucinamide. Grades: ≥95%. CAS No. 57462-42-7. Molecular formula: C64H100N18O13. Mole weight: 1329.59.
(Nle8,18,Tyr34)-pTH (1-34) (human)
(Nle8,18,Tyr34)-pTH (1-34) (human). Alternative Names: [Nle8,18, Tyr34] Parathyroid Hormone (1-34), human. CAS No. 78041-34-6. Molecular formula: C183H295N55O52. Mole weight: 4097.64.
(N-Me-Phe7)-Neurokinin B
The MePhe-analog of NKB shows high selectivity for NKB receptors. Alternative Names: (MePhe7)neurokinin B; L-α-Aspartyl-L-methionyl-L-histidyl-L-α-aspartyl-L-phenylalanyl-L-phenylalanyl-N-methyl-L-phenylalanylglycyl-L-leucyl-L-methioninamide. Grades: 95%. CAS No. 110880-53-0. Molecular formula: C60H81N13O14S2. Mole weight: 1272.49.
(N-Me-Tyr1,N-Me-Arg7,D-Leu-NHEt8)-Dynorphin A (1-8)
(N-Me-Tyr1,N-Me-Arg7,D-Leu-NHEt8)-Dynorphin A (1-8) is a highly stable dynorphin-like analgesic peptide. Alternative Names: E-2078; E2078; 1-N-Me-Tyr(1)-7-N-Me-arg-8-N-Et-leunh2-dynorphin(1-8); Dynorphin(1-8), N-Me-tyr(1)-N-Me-arg(7)-N-Et-leunh2(8)-; Dynorphin(1-8), N-methyltyrosyl(1)-N-methylarginyl(7)-N-ethylleucinamide(8)-; N-Me-Tyr-Gly-Gly-Phe-Leu-Arg-N-Me-Arg-D-Leu-NHEt; N-methyl-L-tyrosyl-glycyl-glycyl-L-phenylalanyl-L-leucyl-L-arginyl-N-methyl-L-arginyl-D-leucine ethylamide; N-Me-Tyr-gly-gly-phe-leu-arg-N-Me-arg-leu-NH-C2H5. Grades: ≥90%. CAS No. 103613-84-9. Molecular formula: C50H81N15O9. Mole weight: 1036.29.
[Orn5]-URP
[Orn5]-URP is a urotensin-II (UT) receptor pure antagonist (pEC50 = 7.24) that displays no agonist activity unlike other U-II/URP analogs. [Orn5]-URP has been shown to inhibit the action of U-II in the rat aorta ring assay. Grades: >98%. CAS No. 782485-03-4. Molecular formula: C48H62N10O10S2. Mole weight: 1003.2.
(Orn(Ac)8)-Atosiban
An impurity of Atosiban. Atosiban is a synthetic peptide that acts as a selective oxytocin receptor antagonist, primarily used to delay preterm labor in pregnant women. Alternative Names: Mpr-DTyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn(Ac)-Gly-NH2(Mpr1&Cys6 bridge); 3-Mercaptopropionyl-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn(Ac)-Gly-NH2 (Disulfide bond); deamino-Cys-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn(Ac)-Gly-NH2 (Disulfide bridge: Cys1-Cys6); Deamino-cysteinyl-O4-ethyl-D-tyrosyl-L-isoleucyl-L-threonyl-L-asparagyl-L-cysteinyl-L-prolyl-N-acetyl-L-ornithyl-glycinamide (1->6)-disulfide; Atosiban impurity D; [Orn(Ac)8]-Atosiban; Orn(Ac)8-Atosiban; Orn8(Ac)-Atosiban. Grades: ≥95%. CAS No. 2408121-10-6. Molecular formula: C45H69N11O13S2. Mole weight: 1036.24.
(Orn(Atosiban (free acid))8)-Atosiban
(Orn(Atosiban (free acid))8)-Atosiban is an impurity of atosiban. Alternative Names: Atosiban (Dimer); 3-Mercaptopropionyl-D-Tyr(Et)-Ile-Thr-Asn-Cys-Pro-Orn(Gly-Orn-Pro-Cys-Asn-Thr-Ile-D-Tyr(Et)-3-mercaptopropionyl)-Gly-NH2 (Disulfide bridge: 3-Mercaptopropionyl A and Cys A, Cys B and 3-Mercaptopropionyl B). Molecular formula: C86H131N21O24S4. Mole weight: 1971.38.
[(pF)Phe4]Nociceptin(1-13)NH2 acetate
[(pF)Phe4]Nociceptin(1-13)NH2 acetate is a highly potent and selective nociceptin / orphanin FQ receptor (OP4) agonist peptide. It has relatively long lasting pronociceptive, hypotensive, negative inotropic and feeding stimulation effects in vivo. Grades: 98%. Molecular formula: C63H103FN22O17. Mole weight: 1459.63.
(Phe13,Tyr19)-MCH (human, mouse, rat)
(Phe13,Tyr19)-MCH (human, mouse, rat). Alternative Names: Melanin-concentratinghormone (human), 13-L-phenylalanine-19-L-tyrosine- (9CI); H-ASP-PHE-ASP-MET-LEU-ARG-CYS-MET-LEU-GLY-ARG-VAL-PHE-ARG-PRO-CYS-TRP-GLN-TYR-OH. CAS No. 160201-86-5. Molecular formula: C109H160N30O26S4. Mole weight: 2434.88.
(Phe2,Orn8)-Oxytocin
(Phe2,Orn8)-Oxytocin is a potent agonist of vasopressor (V1) with very little antidiuretic (V2) activity. Alternative Names: (Phe2,Ile3,Orn8)-Vasopressin; L-cysteinyl-L-phenylalanyl-L-isoleucyl-L-glutaminyl-L-asparagyl-L-cysteinyl-L-prolyl-L-ornithyl-glycinamide (1->6)-disulfide; H-Cys-Phe-Ile-Gln-Asn-Cys-Pro-Orn-Gly-NH2 (Disulfide bridge: Cys1-Cys6); 1-({(4R,7S,10S,13S,16S,19R)-19-Amino-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-16-benzyl-13-[(2S)-2-butanyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosan-4-yl}carbonyl)-L-prolyl-L-ornithylglycinamide. Grades: 95%. CAS No. 2480-41-3. Molecular formula: C42H65N13O11S2. Mole weight: 992.18.
(Phenylac1,D-Tyr(Et)2,Lys6,Arg8,des-Gly9)-Vasopressin is a selective and highly potent antagonist of V1 receptor (antivasopressor) with an antiantidiuretic / antivasopressor ED ratio of about 570. Alternative Names: Phenylac-D-Tyr(Et)-Phe-Gln-Asn-Lys-Pro-Arg-NH2; benzylcarbonyl-D-Tyr(Et)-Phe-Gln-Asn-Lys-Pro-Arg-NH2; N-(benzylcarbonyl)-O4-ethyl-D-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparagyl-L-lysyl-L-prolyl-L-argininamide; L-Argininamide, O-ethyl-N-(phenylacetyl)-D-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparaginyl-L-lysyl-L-prolyl-. Grades: ≥95% by HPLC. CAS No. 129520-65-6. Molecular formula: C54H76N14O11. Mole weight: 1097.27.
(Pro3)-Gastric Inhibitory Polypeptide (human)
(Pro3)-Gastric Inhibitory Polypeptide (human) is an antagonist of GIP. Alternative Names: (Pro3)-GIP (human); H-Tyr-Ala-Pro-Gly-Thr-Phe-Ile-Ser-Asp-Tyr-Ser-Ile-Ala-Met-Asp-Lys-Ile-His-Gln-Gln-Asp-Phe-Val-Asn-Trp-Leu-Leu-Ala-Gln-Lys-Gly-Lys-Lys-Asn-Asp-Trp-Lys-His-Asn-Ile-Thr-Gln-OH; L-tyrosyl-L-alanyl-L-prolyl-glycyl-L-threonyl-L-phenylalanyl-L-isoleucyl-L-seryl-L-alpha-aspartyl-L-tyrosyl-L-seryl-L-isoleucyl-L-alanyl-L-methionyl-L-alpha-aspartyl-L-lysyl-L-isoleucyl-L-histidyl-L-glutaminyl-L-glutaminyl-L-alpha-aspartyl-L-phenylalanyl-L-valyl-L-asparagyl-L-tryptophyl-L-leucyl-L-leucyl-L-alanyl-L-glutaminyl-L-lysyl-glycyl-L-lysyl-L-lysyl-L-asparagyl-L-alpha-aspartyl-L-tryptophyl-L-lysyl-L-histidyl-L-asparagyl-L-isoleucyl-L-threonyl-L-glutamine. Grades: ≥95%. CAS No. 299898-52-5. Molecular formula: C226H338N60O64S. Mole weight: 4951.60.
(Pro8)-Oxytocin
(Pro8)-Oxytocin is the L8P variant of oxytocin produced by the Cebidae family of New World monkeys. Its intranasal application, binding to OT and AVP V1 receptors, enhances parental behavior in rats. Alternative Names: (Pro8)-Vasotocin; H-Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Pro-Gly-NH2 (Disulfide bridge: Cys1-Cys6). CAS No. 24327-19-3. Molecular formula: C42H62N12O12S2. Mole weight: 991.15.
(Prolyl-hydroxylprolyl-glycine)10
(Prolyl-hydroxylprolyl-glycine)10 is a heterotetramer and a key enzyme for collagen synthesis. Alternative Names: (Pro-hyp-gly)10. CAS No. 40350-90-1. Molecular formula: C120H172N30O41. Mole weight: 2690.8.
[pThr3]-CDK5 Substrate
[pThr3]-CDK5 Substrate is an effective substrate of Phospho-Thr3CDK5. It is derived from the sequence of the histone H1 peptide that docks in the active site of CDK5. It is phosphorylated by CDK5 with a Km value of 6 μM. Alternative Names: H-Pro-Lys-Thr(PO3H2)-Pro-Lys-Lys-Ala-Lys-Lys-Leu-OH; L-prolyl-L-lysyl-O3-phosphono-L-threonyl-L-prolyl-L-lysyl-L-lysyl-L-alanyl-L-lysyl-L-lysyl-L-leucine; Pro-Lys-pTHR-Pro-Lys-Lys-Ala-Lys-Lys-Leu. Grades: ≥95%. CAS No. 1670273-47-8. Molecular formula: C53H100N15O15P. Mole weight: 1218.43.
It binds to insulin and acts as a substrate for insulin receptor tyrosine kinase. Alternative Names: L-Lysine, L-threonyl-L-arginyl-L-α-aspartyl-L-isoleucyl-O-phosphono-L-tyrosyl-L-α-glutamyl-L-threonyl-L-α-aspartyl-O-phosphono-L-tyrosyl-O-phosphono-L-tyrosyl-L-arginyl-; Thr-Arg-Asp-Ile-pTyr-Glu-Thr-Asp-pTyr-pTyr-Arg-Lys. Grades: ≥95%. CAS No. 141171-54-2. Molecular formula: C72H110N19O33P3. Mole weight: 1862.67.
[pTyr5] EGFR 988-993
It is derived from the autophosphorylation site (Tyr992) of the epidermal growth factor receptor (EGFR 988-993) and is often complex with the catalytically inactive protein tyrosine phosphate 1B (PTP1B). Alternative Names: H-Asp-Ala-Asp-Glu-Tyr(PO3H2)-Leu-OH; L-alpha-aspartyl-L-alanyl-L-alpha-aspartyl-L-alpha-glutamyl-O4-phosphono-L-tyrosyl-L-leucine; DADE-pTyr-L. Grades: ≥95%. CAS No. 159453-08-4. Molecular formula: C31H45N6O17P. Mole weight: 804.69.
(Pyr11)-Amyloid β-Protein (11-40)
(Pyr11)-Amyloid β-Protein (11-40), the N-terminally truncated isoform of the amyloid β-protein (Aβ) beginning with a pyroglutamate (Pyr) residue at position 11, is used to study the generality of fibrillogenesis-related helix. Alternative Names: Pyr-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Glu-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-OH; L-pyroglutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-L-valyl-glycyl-L-seryl-L-asparagyl-L-lysyl-glycyl-L-alanyl-L-isoleucyl-L-isoleucyl-glycyl-L-leucyl-L-methionyl-L-valyl-glycyl-glycyl-L-valyl-L-valine. Grades: 95%. CAS No. 192377-94-9. Molecular formula: C143H226N38O39S. Mole weight: 3133.62.
[Pyr1]-Apelin-13
[Pyr1]-Apelin-13 is the highly potent pyroglutamylated form of apelin-13, which is an endogenous ligand of the G protein-coupled APJ receptor with EC50 value of 0.37 nM. It is the major apelin form in human plasma and heart, which the N-terminal glutamine residue is cyclized to pyroglutamic acid. It exhibits higher APJ agonist potency than Apelin-13. It has antipyretic and vasoconstrictor effects in vitro and in vivo. It is widely used for studying APJ-mediated cellular and physiological functions both in cultures and in animals in vivo. It is reactive toward human, rat, bovine and murine species. Alternative Names: [Pyr1]-Apelin-13; [Pyr1]-Apelin13; [Pyr1]-Apelin 13; 5-Oxo-L-prolyl-L-arginyl-L-prolyl-L-arginyl-L-leucyl-L-seryl-L-histidyl-L-lysylglycyl-L-prolyl-L-methionyl-L-prolyl-L-phenylalanine; Pyroglutamated apelin-13; [pGlu1]-apelin-13. Grades: 98%. CAS No. 217082-60-5. Molecular formula: C69H108N22O16S. Mole weight: 1533.81.
(Pyr3)-Amyloid β-Protein (3-40)
(Pyr3)-Amyloid β-Protein (3-40), a pyroglutamate-modified amyloid-β peptide extracted from Aβ40 and Aβ42, is a potential key player in the pathology of Alzheimer's disease (AD) due to its abundance in the brain, high aggregation propensity, stability and cytotoxicity. Alternative Names: Pyr-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Glu-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-OH; L-pyroglutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-alpha-aspartyl-L-seryl-glycyl-L-tyrosyl-L-alpha-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-L-valyl-glycyl-L-seryl-L-asparagyl-L-lysyl-glycyl-L-alanyl-L-isoleucyl-L-isoleucyl-glycyl-L-leucyl-L-methionyl-L-valyl-glycyl-glycyl-L-valyl-L-valine. Grades: ≥95%. CAS No. 161818-04-8. Molecular formula: C187H283N51O53S. Mole weight: 4125.68.
(Pyr3)-Amyloid β-Protein (3-42)
(Pyr3)-Amyloid β-Protein (3-42) , an indispensible resource in the research of compound, assumes a pivotal role in the tireless pursuit of drug advancement pertaining to the grave predicament of Alzheimer's disease. Through its meticulously engineered sequence modification, it remarkably homes in on and actively impedes the pernicious aggregation of Amyloid β-Protein—a pivotal protagonist in the intricate pathogenesis of said affliction. Alternative Names: (Glp3) β-Amyloid (3-42); Pyr-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Glu-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-Ile-Ala-OH; L-pyroglutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-alpha-aspartyl-L-seryl-glycyl-L-tyrosyl-L-alpha-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-L-valyl-glycyl-L-seryl-L-asparagyl-L-lysyl-glycyl-L-alanyl-L-isoleucyl-L-isoleucyl-glycyl-L-leucyl-L-methionyl-L-valyl-glycyl-glycyl-L-valyl-L-valyl-L-isoleucyl-L-alanine. Grades: 95%. CAS No. 183449-57-2. Molecular formula: C196H299N53O55S1. Mole weight: 4309.92.
(R)-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid is a constrained Phe analogue which can fold into a beta-bend and a helical structure, and to adopt a preferred side-chain disposition in the peptide. Alternative Names: H-D-TIC-OH; (3R)-1,2,3,4-Tetrahydroisoquinoline-3-Carboxylic Acid; 3-Isoquinolinecarboxylic Acid, 1,2,3,4-Tetrahydro-, (3R)-; D-1,2,3,4-Tetrahydroisoquinoline-3-Carboxylic Acid. Grades: ≥ 99% (assay). CAS No. 103733-65-9. Molecular formula: C10H11NO2. Mole weight: 177.2.
(R)-1-Amino-2-methylpropylphosphonic acid
(R)-1-Amino-2-methylpropylphosphonic acid. Alternative Names: H-ValP(O)-(OH)2; H-AMePropP(O)-(OH)2. CAS No. 66254-56-6. Molecular formula: C4H12NO3P. Mole weight: 153.12.
(R)-1-Aminopropylphosphonic acid
(R)-1-Aminopropylphosphonic acid. Alternative Names: H-Abu(2)P(O)-(OH)2; H-APrP(O)-(OH)2. CAS No. 98049-00-4. Molecular formula: C3H10NO3P. Mole weight: 139.09.
(R)-1-Fmoc-4-Boc-piperazine-2-carboxylic acid
(R)-1-Fmoc-4-Boc-piperazine-2-carboxylic acid. Alternative Names: (r)-1-(((9h-fluoren-9-yl)methoxy)carbonyl)-4-(tert-butoxycarbonyl)piperazine-2-carboxylic acid. CAS No. 1217723-28-8. Molecular formula: C25H28N2O6. Mole weight: 452.50.