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α-Methyl-DL-phenylalanine
α-Methyl-DL-phenylalanine. Alternative Names: α-Me-DL-Phe-OH; (+/-)-2-Amino-2-methyl-3-phenylpropionic acid. Grades: ≥ 98% (HPLC). CAS No. 1132-26-9. Molecular formula: C10H13NO2. Mole weight: 179.2.
α-Methyl-D-valine. Uses: Used in the preparation of medicinal and herbicidal agents. Alternative Names: α-Me-D-Val-OH. Grades: ≥ 98% (NMR). CAS No. 53940-82-2. Molecular formula: C6H13NO2. Mole weight: 131.17.
α-methyl-L-2-Fluorophe
α-methyl-L-2-Fluorophe. Alternative Names: alpha-methyl-L-2-Fluorophe; alpha-Methyl-L-2-fluorophenylalanine. CAS No. 130780-36-8. Molecular formula: C10H12FNO2. Mole weight: 197.21.
α-Methyl-L-phenylalanine. Alternative Names: α-Me-L-Phe-OH; (S)-2-Amino-2-methyl-3-phenylpropionic acid. Grades: ≥ 99% (HPLC). CAS No. 23239-35-2. Molecular formula: C10H13NO2. Mole weight: 179.20.
α-Methyl-L-serine
α-Methyl-L-serine. Uses: A potential chiral building blocks for the synthesis of different α -methyl α -amino acids. Alternative Names: 2-Methyl-L-serine; (S)-2-Amino-3-hydroxy-2-methylpropanoic acid. Grades: 98%. CAS No. 16820-18-1. Molecular formula: C4H9NO3. Mole weight: 119.12.
α-methyl-L-Serine(OtBu)
α-methyl-L-Serine(OtBu). CAS No. 114396-73-5. Molecular formula: C8H17NO3. Mole weight: 175.23.
α-Methyl-L-valine
Used in the preparation of medicinal and herbicidal agents. Uses: Used in the preparation of medicinal and herbicidal agents. Alternative Names: H-(Me)Val-OH; (S)-2-Amino-2,3-dimethylbutanoic acid; α-Me-L-Val-OH; (S)-(-)-α-Methylvaline; (2S)-2-Amino-2,3-dimethylbutanoic acid; L-α-methylvaline; ALPHA-METHYL-L-VALINE; 3-Methyl-L-isovaline; alpha-methylvaline. Grades: ≥ 99.9% (Chiral purity). CAS No. 53940-83-3. Molecular formula: C6H13NO2. Mole weight: 131.18.
α-MSH free acid
α-MSH is an MC3R and MC4R agonist with EC50s of 0.16 nM and 5.6 nM, respectively. It activates cAMP generation at MC3R and MC4R. Alternative Names: (D-Leu2)-MIF-I; 13-Val-alpha-msh (1-13); alpha-Msh(1-13), valine(13)-; α-Melanocyte-Stimulating Hormone free acid. Grades: >95%. CAS No. 10466-28-1. Molecular formula: C77H108N20O20S. Mole weight: 1665.87.
α-Neoendorphin 1-8
α-Neoendorphin (1-8) is a 8-amino acid peptide derived from the N-terminal of α-Neoendorphin which is an endogenous opioid peptide. Alternative Names: alpha-Neoendorphin (1-8); H-Tyr-Gly-Gly-Phe-Leu-Arg-Lys-Tyr-OH; a-Neoendorphin (1-8). CAS No. 83339-89-3. Molecular formula: C49H70N12O11. Mole weight: 1003.15.
The Parkinson's disease-associated protein α-synuclein (α-syn) is not only expressed in the cytoplasm of neurons, but also secreted in the extracellular space and internalized into glial cells through a lipid raft dependent process. The tilted peptide α-synuclein(67-78) has a high affinity with cholesterol and is toxic to cultured astrocytes. The glycosphingolipid-binding domain of alpha-synuclein (34-45) encapsulates a cholesterol-recognition consensus motif with a low affinity and no toxicity. Alternative Names: α-syn (34-45) (human); H-Lys-Glu-Gly-Val-Leu-Tyr-Val-Gly-Ser-Lys-Thr-Lys-OH; L-Lysine, L-lysyl-L-α-glutamylglycyl-L-valyl-L-leucyl-L-tyrosyl-L-valylglycyl-L-seryl-L-lysyl-L-threonyl-. Grades: ≥95%. CAS No. 2170181-52-7. Molecular formula: C59H101N15O18. Mole weight: 1308.52.
α-Synuclein (45-54) (human)
A pathogenic feature of Parkinson's disease (PD) is the aggregation of α-synuclein (α-syn) into toxic fibrils, and most of the early mutations are located between residues 46 and 53. Alternative Names: H-Lys-Glu-Gly-Val-Val-His-Gly-Val-Ala-Thr-OH; L-Threonine, L-lysyl-L-α-glutamylglycyl-L-valyl-L-valyl-L-histidylglycyl-L-valyl-L-alanyl-; α-syn (45-54) (human). Grades: ≥95%. CAS No. 2243206-98-4. Molecular formula: C43H73N13O14. Mole weight: 996.12.
α-Synuclein (61-95) (human)
α-synuclein (61-95) has originally been isolated from the insoluble core of Alzheimer's disease (AD) amyloid plaque. Alternative Names: H-Glu-Gln-Val-Thr-Asn-Val-Gly-Gly-Ala-Val-Val-Thr-Gly-Val-Thr-Ala-Val-Ala-Gln-Lys-Thr-Val-Glu-Gly-Ala-Gly-Ser-Ile-Ala-Ala-Ala-Thr-Gly-Phe-Val-OH; NAC; Non-Aβ Component of Alzheimer's Disease Amyloid. CAS No. 154040-19-4. Molecular formula: C141H235N39O49. Mole weight: 3260.61.
α-Synuclein (67-78) (human)
The Parkinson's disease-associated protein α-synuclein (α-syn) is not only expressed in the cytoplasm of neurons, but also secreted in the extracellular space and internalized into glial cells through a lipid raft dependent process. The tilted peptide α-synuclein(67-78) has a high affinity with cholesterol and is toxic to cultured astrocytes. The glycosphingolipid-binding domain of alpha-synuclein (34-45) encapsulates a cholesterol-recognition consensus motif with a low affinity and no toxicity. Alternative Names: α-syn (67-78) (human); H-Gly-Gly-Ala-Val-Val-Thr-Gly-Val-Thr-Ala-Val-Ala-OH; L-Alanine, glycylglycyl-L-alanyl-L-valyl-L-valyl-L-threonylglycyl-L-valyl-L-threonyl-L-alanyl-L-valyl-. Grades: ≥95%. CAS No. 2243206-99-5. Molecular formula: C43H76N12O15. Mole weight: 1001.14.
α-Synuclein (71-82) (human)
A characteristic feature of individuals with neurodegenerative diseases is the deposition of α-synuclein (α-syn) fibrils in the Lewy body. The central hydrophobic region of α-synuclein is similar to the α-synuclein peptide (71-82), which is considered to be the cause of protein aggregation. Furthermore, α-synuclein (71-82) forms amyloid fibrillary with similar morphology to α-synuclein, suggesting that this region participates in the fibrillogenic core of the full-length protein. Alternative Names: α-syn (71-82) (human); H-Val-Thr-Gly-Val-Thr-Ala-Val-Ala-Gln-Lys-Thr-Val-OH. Grades: ≥95%. CAS No. 332867-16-0. Molecular formula: C51H92N14O17. Mole weight: 1173.36.
α-Synuclein Binding Peptide
α-Synuclein Binding Peptide is a 10-residue peptide antagonist, corresponding to the sequence of the α-synuclein binding peptide, and effectively inhibits α-synuclein aggregation and related toxicity at 1:1 stoichiometry. Alternative Names: L-Alaninamide, N2-acetyl-L-lysyl-L-α-aspartylglycyl-L-isoleucyl-L-valyl-L-asparaginylglycyl-L-valyl-L-lysyl-; Ac-Lys-Asp-Gly-Ile-Val-Asn-Gly-Val-Lys-Ala-NH2; α-syn Binding Peptide. Grades: ≥95%. CAS No. 2243207-00-1. Molecular formula: C45H80N14O14. Mole weight: 1041.20.
β-(2-Thiazolyl)-L-alanine. Alternative Names: H-Ala(2-Thz)-OH; H-Ala(2-Thiazolyl)-OH; (2S)-2-Amino-3-(1,3-thiazol-2-yl)propanoic acid. Grades: ≥ 98%. CAS No. 134235-86-2. Molecular formula: C6H8N2O2S. Mole weight: 172.21.
β-(2-Thienyl)-D-alanine
β-(2-Thienyl)-D-alanine is an alanine derivative that is D-alanine in which one of the methyl hydrogens is replaced by a 2-thienyl group. It is a D-alpha-amino acid and a member of thiophenes. It derives from a D-alanine. Alternative Names: 3-D-Ala(2-thienyl)-OH; (R)-α-Amino-2-thiophenepropionic acid; 3-(2-Thienyl)-D-alanine; D-2-THIENYLALANINE; (R)-2-amino-3-(thiophen-2-yl)propanoic acid; beta-(2-Thienyl)-D-alanine; (2R)-2-amino-3-thiophen-2-ylpropanoic acid; H-D-Thi-OH; UNII-PJ4EM0CL5E; beta-2-thienyl-D-alanine. Grades: ≥ 99% (HPLC). CAS No. 62561-76-6. Molecular formula: C7H9NO2S. Mole weight: 171.22.
β-(3-Pyridyl)-D-β-homoglycine serves as a good amino-donors in the transamination in the degradation of (S)-β-phenylalanine. Alternative Names: H-D-Pyg(3)-(C#CH2)OH; (S)-3-Amino-3-(3-pyridyl)propanoic acid; (3S)-3-amino-3-pyridin-3-ylpropanoic acid; (S)-3-Amino-3-(pyridin-3-yl)propanoic acid; 3-Pyridinepropanoic acid, b-amino-, (bS)-; L-β-Ala-(3-pyridyl)-OH; H-β-Ala-(3-pyridyl)-OH. Grades: ≥ 98% (TLC). CAS No. 129043-04-5. Molecular formula: C8H10N2O2. Mole weight: 166.18.
β-(5-Bromo-2-thienyl)-L-alanine is used as a building block to synthesize fibrinogen receptor antagonists. Alternative Names: H-Ala{2-Thienyl(5-Br)}-OH; H-Thi(2)(5-Br)-OH; L-2-(5-Bromothienyl)alanine; (S)-2-Amino-3-(5-bromothiophen-2-yl)propanoic acid; 3-(5-Bromothiophen-2-Yl)-L-Alanine; 3-(5-Bromo-2-thienyl)alanine; beta-(5-Bromo-2-thienyl)-L-alanine; L-α-(5-Bromothienyl)alanine; L-Thi(5-Br)-OH. Grades: ≥ 99% (HPLC). CAS No. 154593-58-5. Molecular formula: C7H8BrNO2S. Mole weight: 250.11.
β-Ala-β-Ala-OH. Alternative Names: 3-(3-Amino-propionylamino)propionic acid; β-Alanyl-β-alanine; β Ala β Ala OH. Grades: ≥ 98% (TLC). CAS No. 2140-53-6. Molecular formula: C6H12N2O3. Mole weight: 160.17.
β-Alanine-2-chlorotrityl resin
Pre-loaded resins for solid phase peptide and organic synthesis. Alternative Names: β-Ala-2-chlorotrityl resin.
β-Alanine benzyl ester 4-toluenesulfonate salt
β-Alanine benzyl ester 4-toluenesulfonate salt. Alternative Names: β-Ala-OBzl TosOH; beta-Alanine Benzyl Ester p-Toluenesulfonate; H-beta-Ala-Obzl TosOH; beta-Alanine benzyl ester p-toluenesulfonate salt; H beta Ala Obzl TosOH; Benzyl 3-aminopropanoate 4-methylbenzenesulfonate; H-beta-Ala-Obzl p-tosylate; beta Ala OBzl TosOH. Grades: ≥ 98% (HPLC). CAS No. 27019-47-2. Molecular formula: C10H13NO2·C7H8O3S. Mole weight: 351.42.
β-Alanine β-naphthylamide hydrobromide
β-Alanine β-naphthylamide hydrobromide. Alternative Names: β-Ala-βNA HBr; Beta-alanine beta-naphthylamide hydrobromide; H-beta-Ala-betaNA HBr; 3-Amino-N-(naphthalen-2-yl)propanamide hydrobromide; H-beta-Ala-betaNA hydrobromide; H-beta-Ala-beta-naphthalene hydrobromide; J-013113; H beta Ala betaNA HBr. Grades: ≥ 99% (Assay by Elemental analysis, TLC). CAS No. 201985-01-5. Molecular formula: C13H14N2O·HBr. Mole weight: 295.27.
β-Alanine ethyl ester hydrochloride
β-Alanine ethyl ester is the ethyl ester of the non-essential amino acid β-alanine. It would be expected to hydrolyse within the body to form β-alanine. Alternative Names: β-Ala-OEt HCl; 3-Aminopropionic acid ethyl ester hydrochloride; ethyl 3-aminopropanoate hydrochloride; beta-Alanine ethyl ester hydrochloride; H-beta-Ala-OEt HCl; Ethyl beta-alaninate hydrochloride; h-beta-ala-oet HCl; beta-alanine ethyl ester HCl; b-alanine ethyl ester hydrochloride; beta-alanine ethylester hydrochloride; H beta Ala OEt HCl. Grades: ≥ 99%. CAS No. 4244-84-2. Molecular formula: C5H11NO2·HCl. Mole weight: 153.60.
β-Alanine tert-butyl ester hydrochloride
β-Alanine Tert-butyl Ester Hydrochloride is a blocked carboxyl-terminus derivative of β-Alanine amino acid. It is used as a reactant or reagent in many synthesis such as synthesis of rhodamines from fluoresceins using Pd-catalyzed C-N cross-coupling. Alternative Names: β-Ala-OtBu HCl; tert-Butyl 3-aminopropanoate hydrochloride; H-beta-Ala-OtBu HCl; beta-Alanine t-butyl ester hydrochloride; beta-Alanine tert-butyl ester hydrochloride; H-BETA-ALA-OTBU HCl; 3-amino-propionic acid tert-butyl ester hydrochloride; β-Alanine t-Butyl Ester Hydrochloride; β-Alanine 1,1-Dimethylethyl Ester Hydrochloride; H BETA ALA OTBU HCl. Grades: ≥ 99% (HPLC). CAS No. 58620-93-2. Molecular formula: C7H15NO2·HCl. Mole weight: 181.66.
β-Alaninol 2-chlorotrityl resin
Pre-loaded resins for solid phase peptide and organic synthesis. Alternative Names: 3-Aminopropan-1-ol 2-chlorotrityl resin.
β-Allyl-L-β-homoglycine hydrochloride. Alternative Names: L-β-Homoallylglycine hydrochloride; L-β-HomoGly(allyl)-OH HCl. Grades: ≥ 98% by NMR. CAS No. 332064-77-4. Molecular formula: C6H12ClNO2. Mole weight: 165.62.
β-Amyloid (10-35), amide
β-Amyloid (10-35), amide is composed of 26 aa (10-35 residues of the Aβ peptide) and was used as a trunCated peptide model for the full-length amyloid β-proteins (1-40) and (1-42) in high-resolution structural studies. It is also the primary component of the amyloid plaques of Alzheimer's disease. Alternative Names: 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-NH2; Beta-Amyloid (10-35), Amide. CAS No. 181427-66-7. Molecular formula: C133H205N35O36S. Mole weight: 2902.33.
β-amyloid 1-11
β-amyloid (1-11) is a fragment of Amyloid-β peptide found in plaques associated with Alzheimer's disease. Alternative Names: H-ASP-ALA-GLU-PHE-ARG-HIS-ASP-SER-GLY-TYR-GLU-OH; beta-Amyloid (1-11). Grades: 95%. CAS No. 190436-05-6. Molecular formula: C56H76N16O22. Mole weight: 1325.30.