A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
DL-Cystine-d6 is a labelled Cystine. Cysteine is a non-essential amino acid that plays a role in protein synthesis, detoxification and some biochemical metabolism. Synonyms: Cystine-2,2',3,3,3',3'-d6; 2-amino-3-[(2-amino-2-carboxy-1,1,2-trideuterioethyl)disulfanyl]-2,3,3-trideuteriopropanoic acid. Grade: 95% by HPLC; 98% atom D. CAS No. 352431-53-9. Molecular formula: C6H6N2O4S2D6. Mole weight: 246.34.
DL-Dithiothreitol (DTT) is a strong reductant with anti-disulfidptosis activity. When DL-Dithiothreitol is oxidized, it forms a stable six-membered ring with an internal disulfide bond[1][2]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: DTT; rel-(2R,3R)-1,4-Dimercapto-2,3-butanediol. CAS No. 3483-12-3. Pack Sizes: 10 mM * 1 mL in DMSO; 500 mg; 1 g; 5 g. Product ID: HY-15917.
DL-Dithiothreitol
DL-Dithiothreitol. Synonyms: threo-1,4-Dimercapto-2,3-butanediol, Clelands reagent, DTT. CAS No. 3483-12-3. Pack Sizes: 1, 5, 10, 25, 100 g in poly bottle. Product ID: CDC10-0048. Molecular formula: C4H10O2S2. Category: Antioxidant Cosmetic Chemicals. Product Keywords: Cosmetic Ingredients; Antioxidant Cosmetic Chemicals; DL-Dithiothreitol; CDC10-0048; 3483-12-3; C4H10O2S2; threo-1,4-Dimercapto-2,3-butanediol, Clelands reagent, DTT; 222-468-7; MFCD00004877; 3483-12-3. Purity: ≥98%. Color: White. EC Number: 222-468-7. Physical State: Powder. Solubility: H2O: soluble 50 mg/mL, clear, colorless to very faintly yellow. Quality Level: 200. Storage: 2-8°C. Boiling Point: 125 °C. Melting Point: 41-44 °C (lit.). Density: 1.04 g/mL at 20 °C. Product Description: An excellent reagent for maintaining SH groups in reduced state; quantitatively reduces disulfides. DTT is effective in sample buffers for reducing protein disulfide bonds prior to SDS-PAGE. DTT can also be used for reducing the disulfide bridge of the cross-linker N,N'-bis(acryloyl)cystamine to break apart the matrix of a polyacrylamide gel. DTT is less pungent and is less toxic than 2-mercaptoethanol. Typically, a seven fold lower concentration of DTT (100 mM) is needed than is used for 2-mercaptoethanol (5% v/v, 700 mM).
DL-Dithiothreitol-d6
DL-Dithiothreitol-d6 is the deuterated form of DL-Dithiothreitol. DL-dithiothreitol (DTT) is a strong reductant with anti-disulfidptosis activity. DL-dithiothreitol is oxidized to form a stable six-membered ring with an internal disulfide bond[1][2]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: DTT-d6. CAS No. 850153-85-4. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-15917S2.
DL-Dopa-[phenyl-d3]
DL-Dopa-[phenyl-d3] is a labelled DL-Dopa. DL-Dopa is a beta-hydroxylated derivative of phenylalanine and a precursor of dopamine. Grade: 97% by HPLC; 98% atom D. Molecular formula: C9D3H8NO4. Mole weight: 200.21.
D,L-Dropropizine N,N-Dioxide
D,L-Dropropizine N,N-Dioxide is an impurity of Dropropizine (D681495), a cough suppressant and central sedative therapeutic agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 152237-41-7. Pack Sizes: 2.5mg, 10mg. Molecular Formula: C13H20N2O4, Molecular Weight: 268.31. US Biological Life Sciences.
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D,L-Epinephrine
D,L-Epinephrine. Group: Biochemicals. Alternative Names: 4-[1-Hydroxy-2-(methylamino)ethyl]-1,2-benzenediol; DL-Adrenaline; (+/-) -3, 4-Dihydroxy-a-[ (methylamino) methyl]benzyl alcohol. Grades: Highly Purified. CAS No. 329-65-7. Pack Sizes: 2g, 5g, 10g, 25g, 50g. Molecular Formula: C9H13NO3. US Biological Life Sciences.
Worldwide
DL-Epinephrine-d3 (Adrenaline-d3)
Endogenous catcholamine with combined μ-and b-agonist activity. Principal sympathomimetic hormone produced by the adrenal medulla. Group: Biochemicals. Alternative Names: Adrenaline-d3. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
DL-Erythro methylphenidate hydrochloride. Group: Biochemicals. Alternative Names: (a-R,2S)-rel-a-Phenyl-2-piperidineacetic Acid Methyl Ester Hydrochloride. Grades: Highly Purified. CAS No. 23644-60-2. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C14H20ClNO2. US Biological Life Sciences.
Worldwide
DL-erythro-PPMP hydrochloride
DL-erythro-PPMP is an inactive stereoisomer of DL-threo-PPMP. It has no effect on glucosylceramide synthetase activity and is used as a negative control for DL-threo-PPMP, D-threo-PPMP, and L-threo-PPMP inhibitory effect. Synonyms: DL-erythro-1-phenyl-2-Palmitoylamino-3-morpholino-1-propanol. Grade: ≥98%. Molecular formula: C29H50N2O3·HCl. Mole weight: 511.18.
D,L-Ethionine
D,L-Ethionine. Group: Biochemicals. Alternative Names: S-Ethyl-homocysteine; D,L-2-Amino-4-(ethylthio)butyric acid; S-Ethyl-DL-homocysteine. Grades: Highly Purified. CAS No. 67-21-0. Pack Sizes: 2g, 5g, 10g, 25g, 50g. Molecular Formula: C6H13NO2S. US Biological Life Sciences.
D,L-Ethionine (D,L-2-Amino-4-(ethylthio)butyric Acid). Group: Biochemicals. Alternative Names: D,L-2-Amino-4-(ethylthio)butyric Acid. Grades: Highly Purified. Pack Sizes: 5g. US Biological Life Sciences.
Worldwide
Dl-ethionine sulfoxide
Dl-ethionine sulfoxide. Alternative Names: DL-ETHIONINE SULFOXIDE. CAS No. 15785-31-6. Product ID: ACM15785316. Molecular formula: C6H13NO3S. Mole weight: 179.24. Alfa Chemistry - ISO 9001:32057 Certified.
DL-Ethyl 2-bromovalerate
DL-Ethyl 2-bromovalerate. Group: Biochemicals. Grades: Highly Purified. CAS No. 615-83-8. Pack Sizes: 25g, 50g, 100g. US Biological Life Sciences.
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DL-Ethyl Lactate
DL-Ethyl Lactate is a green and environmentally benign solvent with effectiveness comparable to petroleum-based solvents. Group: Biochemicals. Grades: Highly Purified. CAS No. 97-64-3. Pack Sizes: 1g, 10 g. Molecular Formula: C5H10O3. US Biological Life Sciences.
Worldwide
DL-Ethyl-panthenol
DL-Ethyl-panthenol is a component found in hair care products. Group: Biochemicals. Grades: Highly Purified. CAS No. 667-84-5. Pack Sizes: 2.5g, 25g. Molecular Formula: C11H23NO4, Molecular Weight: 233.3. US Biological Life Sciences.
Worldwide
D-Leu(14)-Semaglutide
D-Leu(14)-Semaglutide is an impurity of Semaglutide, which is a glucagon-like peptide-1 (GLP-1) receptor agonist used to treat type 2 diabetes. Synonyms: D-[Leu]-14-Semaglutide. Grade: 95%. Molecular formula: C187H291N45O59. Mole weight: 4113.64.
d[leu4,Lys8]-VP
d[leu4,Lys8]-VP is a selective vasopressin V1B receptor agonist (Ki = 0.16, 64, 100 and 3800 nM for V1B, oxytocin, V2 and V1A receptors, respectively). It exhibits weak antidiuretic, vasopressor and in vitro oxytocic activities. Synonyms: D[Leu4,Lys8]VP; 1-Deamino-4-leu-8-lys-vasopressin; Vasopressin, 1-deamino-leu(4)-lys(8)-. CAS No. 42061-33-6. Molecular formula: C47H67N11O11S2. Mole weight: 1026.2.
D-Leu7-Cetrorelix
An impurity of Cetrorelix. Cetrorelix is a gonadotropin-releasing hormone (GnRH) antagonist used primarily in reproductive medicine and oncology. It works by competitively binding to GnRH receptors, thereby inhibiting the secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which in turn prevents ovulation and reduces the production of sex steroids. Synonyms: Ac-D2Nal-D4Cpa-D3Pal-Ser-Tyr-DCit-DLeu-Arg-Pro-DAla-NH2; Ac-D-2Nal-D-Phe(4-Cl)-D-3Pal-Ser-Tyr-D-Cit-D-Leu-Arg-Pro-D-Ala-NH2; N-Acetyl-3-(2-naphthyl)-D-alanyl-4-chloro-D-phenylalanyl-3-(3-pyridyl)-D-alanyl-L-seryl-L-tyrosyl-D-citrullyl-D-leucyl-L-arginyl-L-prolyl-D-alaninamide; [D-Leu]7-Cetrorelix; [D-Leu7]-Cetrorelix; D-Leu(7)-Cetrorelix. Grade: ≥95%. CAS No. 3031679-81-6. Molecular formula: C70H92ClN17O14. Mole weight: 1431.06.
D-Leucine
5g Pack Size. Group: Amino Acids. Formula: C6H13NO2. CAS No. 328-38-1. Prepack ID 12191927-5g. Molecular Weight 131.17. See USA prepack pricing.
D-Leucine. Group: Biochemicals. Alternative Names: (R)-2-Amino-4-methylpentanoic acid. Grades: Highly Purified. CAS No. 328-38-1. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. Molecular Formula: C6H13NO2. US Biological Life Sciences.
Worldwide
D-Leucine-[1-13C]
D-Leucine-1-13C is a labelled D-Leucine. Leucine is an α-amino acid essential for humans. Grade: 95% by HPLC; 99% atom 13C. CAS No. 82152-60-1. Molecular formula: C5[13C]H13NO2. Mole weight: 132.17.
D-Leucine-[15N]
D-Leucine-[15N] is a labelled D-Leucine. Leucine is an α-amino acid essential for humans. Grade: 95% by HPLC; 98% atom 15N. CAS No. 287484-39-3. Molecular formula: C6H13[15N]O2. Mole weight: 132.17.
D-Leucine-[2-d]
D-Leucine-[2-d] is a labelled D-Leucine. Leucine is an α-amino acid essential for humans. Grade: 95% by HPLC; 98% atom D. CAS No. 89836-92-0. Molecular formula: C6H12DNO2. Mole weight: 132.18.
D-Leucine, 99+%
Solubility in 3N HCl: Group: Biochemicals. Grades: Highly Purified. CAS No. 328-38-1. Pack Sizes: 25g. US Biological Life Sciences.
D-Leucine-d10 is the deuterium labeled D-Leucine. D-Leucine is a more potent anti-seizure agent than L-leucine. D-leucine potently terminates seizures even after the onset of seizure activity. D-leucine, but not L-leucine, reduces long-term potentiation but had no effect on basal synaptic transmission in vitro[1]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: (R)-Leucine-d10. CAS No. 271247-12-2. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-Y0378S.
D-Leucine-[d10]
D-Leucine-[d10] is a labelled D-Leucine. Leucine is an α-amino acid essential for humans. Synonyms: (R)-2-Amino-4-methylpentanoic Acid-d10; H-D-Leu-OH-d10. Grade: 95% by HPLC; 98% atom D. CAS No. 271247-12-2. Molecular formula: C6H3D10NO2. Mole weight: 141.24.
D-Leucine ethyl ester hydrochloride
D-Leucine ethyl ester hydrochloride. Group: Biochemicals. Alternative Names: D-Leu-OEt·HCl; (R)-2-amino-4-methyl-pentanoic acid ethyl ester hydrochloride. Grades: Highly Purified. CAS No. 73913-65-2. Pack Sizes: 2g, 5g, 10g, 25g. US Biological Life Sciences.
5g Pack Size. Group: Amino Acids, Biochemicals, Peptide Reagents. Formula: C6H15NO. CAS No. 53448-09-2. Prepack ID 90026756-5g. Molecular Weight 117.19. See USA prepack pricing.
D-Leucinol
D-Leucinol. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
D-Leucinol
The alcohol form of D-Leucine, a dietary amino acid involved in human protein synthesis. Synonyms: 1-Pentanol, 2-amino-4-methyl-, (2R)-. Grade: ≥ 99 % (Assay). CAS No. 53448-09-2. Molecular formula: C6H15NO. Mole weight: 117.2.
D-Leucrose
D-Leucrose is a prominent carbohydrate derivative with application in the research of diabetes and metabolic disorder drug. With its distinctive molecular structure, D-Leucrose exhibits unparalleled abilities in regulating glucose metabolism and enhancing insulin sensitivity. Synonyms: 5-O-(a-D-Glucopyranosyl)-D-fructose. CAS No. 7158-70-5. Molecular formula: C12H22O11. Mole weight: 342.30.
D-Leucyl-leucine
D-Leucyl-leucine. Group: Biochemicals. Alternative Names: D-Leu-Leu-OH; D-Leu-Leu-OH. Grades: Highly Purified. CAS No. 38689-31-5. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. US Biological Life Sciences.
D-Leucyl-leucine 98+% (TLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 5g, 25g. US Biological Life Sciences.
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D-Leu-Gly-OH
D-Leu-Gly-OH. Group: Biochemicals. Alternative Names: D-Leucylglycine. Grades: Highly Purified. CAS No. 997-05-7. Pack Sizes: 1g. US Biological Life Sciences.
DL-Fructose, an essential element within the biomedical realm, serves as a noteworthy sugar for studying type 2 diabetes. Synonyms: Fructose; (±)-Fructose; arabino-2-Hexulose; dl-Fructose; Methose. Grade: 95%. CAS No. 30237-26-4. Molecular formula: C6H12O6. Mole weight: 180.16.
DL-Fucosamine
DL-Fucosamine, a vital biochemical in the glycosaminoglycans synthesis, is an intriguing compound under scientific scrutiny. Its potential therapeutic benefits, most notably in alleviating conditions associated with arthritis and inflammation, have garnered keen interest from the medicinal industry. Notably, DL-Fucosamine's primary role remains that of being a precursor in the synthetic pathways towards chondroitin sulfate - a widely used medical intervention in treating osteoarthritis. Synonyms: Galactose, 2-amino-2,6-dideoxy-; 2-Amino-2,6-dideoxygalactose; 2,6-Dideoxy-2-aminogalactose; Fucosamine. Grade: ≥95%. CAS No. 24724-90-1. Molecular formula: C6H13NO4. Mole weight: 163.17.
DL-Gabaculine hydrochloride
DL-Gabaculine hydrochloride is a neurotoxin that irreversibly inhibits bacterial pyridoxal phosphate linked γ-aminobutyric acid-α-ketoglutaric acid transaminase with a Ki of 2.86 μM[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 59556-17-1. Pack Sizes: 1 mg. Product ID: HY-15377.
Mainly used as food flavor, biochemical reagents and raw materials for fermentation, is also an amino acid drug. Synonyms: Glutamic Acid; 2-Aminoglutaric acid; 2-Aminopentanedioic acid. Grade: ? 98%. CAS No. 617-65-2. Molecular formula: C5H9NO4. Mole weight: 147.13.
DL-GlutamIc acId
DL-GlutamIc acId. Group: Biochemicals. Grades: Highly Purified. CAS No. 617-65-2. Pack Sizes: 50g, 100g, 250g, 500g. US Biological Life Sciences.
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DL-Glutamic acid-[1-13C]
DL-Glutamic acid-[1-13C] is a labelled DL-Glutamic acid. Glutamic acid is a non-essential amino acid that acts as an excitatory neurotransmitter in the CNS. Synonyms: DL-glutamic acid 1-13C. Grade: 95% by HPLC; 99% atom 13C. CAS No. 108395-13-7. Molecular formula: C4[13C]H9NO4. Mole weight: 148.12.