Find where to buy products from suppliers in the USA, including: distributors, industrial manufacturers in America, bulk supplies and wholesalers of raw ingredients & finished goods.
Used in the preparation of 5,7-disubstituted-4-aminopyrido[2,3-d]pyrimidines as adenosine kinase inhibitors. Group: Biochemicals. Alternative Names: 1-(5-Chloro-2-pyrazinyl)ethanone; 1- (5-Chloropyrazinyl) ethanone; 2-Chloro-5-acetylpyperazine. Grades: Highly Purified. CAS No. 160252-31-3. Pack Sizes: 500mg. US Biological Life Sciences.
Acetyl-2 Pyrazine Natural 5% in Ethyl Alcohol. CAS No. MIXTURE. Kosher: Y. VIGON Item # 508399. Categories: Speciality Ingredients Suppliers, Flavors, Fragrances, Perfumers, Aromatherapy, Essential Oils.
America & Internationally
Acetyl-2 Pyrazine Natural 5% in Propylene Glycol
Acetyl-2 Pyrazine Natural 5% in Propylene Glycol. CAS No. MIXTURE. Kosher: Y. VIGON Item # 508401. Categories: Speciality Ingredients Suppliers, Flavors, Fragrances, Perfumers, Aromatherapy, Essential Oils.
America & Internationally
Acetyl-2 Pyrazine Natural 5% in Triethyl Citrate Natural
Acetyl-2 Pyrazine Natural 5% in Triethyl Citrate Natural. CAS No. MIXTURE. Kosher: Y. VIGON Item # 508400. Categories: Speciality Ingredients Suppliers, Flavors, Fragrances, Perfumers, Aromatherapy, Essential Oils.
America & Internationally
Acetylpyrazine
Acetylpyrazine (CAS# 22047-25-2) is a useful research chemical. Synonyms: 1-pyrazin-2-ylethanone. CAS No. 22047-25-2. Molecular formula: C6H6N2O. Mole weight: 122.12.
1-Acetyl-3-Piperidinone
1-Acetyl-3-Piperidinone is used in the preparation of pyrazines as phosphodiesterase inhibitors. Group: Biochemicals. Grades: Highly Purified. CAS No. 34456-78-5. Pack Sizes: 500mg, 5g. Molecular Formula: C7H11NO2, Molecular Weight: 141.169999999999. US Biological Life Sciences.
Worldwide
2,3-Dehydro Ketoconazole
2,3-Dehydro Ketoconazole. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: R 049223,rel-1-[4-[4-[[(2R,4S)-2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-3,4-dihydro-1(2H)-pyrazinyl]ethanone, Pyrazine, 1-acetyl-4-[4-[[(2R,4S)-2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1,2,3,4-tetrahydro-, rel- (9CI). CAS No. 254912-63-5. IUPAC Name: 1-[4-[4-[[(2R,4S)-2-(2,4-dichlorophenyl)-2-(imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-2,3-dihydropyrazin-1-yl]ethanone. Molecular Formula: C26H26Cl2N4O4. Mole Weight: 529.42. Catalog: APS254912635. SMILES: CC (=O)N1CCN (C=C1)c2ccc (OC[C@H]3CO[C@@] (Cn4ccnc4) (O3)c5ccc (Cl)cc5Cl)cc2. Format: Neat.
2,3-Dehydro Ketoconazole
Ketoconazole. Group: Biochemicals. Alternative Names: rel-1-[4-[4-[[(2R,4S)-2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-3,4-dihydro-1(2H)-pyrazinyl]ethanone; rel-1-Acetyl-4-[4-[[(2R,4S)-2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1,2,3,4-tetrahydropyrazine; R 049223. Grades: Highly Purified. CAS No. 254912-63-5. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
Coenzyme A S-Pyrazinecarboxylate Trisodium Salt
Coenzyme A S-Pyrazinecarboxylate is a derivative of Coenzyme A; a cofactor in enzymatic acetyl transfer reactions. It is the source of the phosphopantetheine group that is added as a prosthetic group to proteins such as acyl carrier protein and formyltetrahydrofolate dehydrogenase. Synonyms: S- (2- (3- ( (2R) -4- ( ( ( ( ( ( (2R, 3S, 4R, 5R) -5- (6-Amino-9H-purin-9-yl) -4-hydroxy-3- (phosphonooxy) tetrahydrofuran-2-yl) methoxy) (hydroxy) phosphoryl) oxy) (hydroxy) phosphoryl) oxy) -2-hydroxy-3, 3-dimethylbutanamido) propanamido) ethyl) Pyrazine-2-carbothioate Trisodium Salt. Molecular formula: C26H35N9Na3O17P3S. Mole weight: 939.56.
Ketoconazole Impurity 1
Ketoconazole Impurity 1 is an impurity of Ketoconazole, which is an antiandrogen, antifungal, and antiglucocorticoid medication used to treat a number of fungal infections. Synonyms: Ethanone, 1-[3,4-dihydro-4-(4-hydroxyphenyl)-1(2H)-pyrazinyl]-; 1-(4-(4-hydroxyphenyl)-3,4-dihydropyrazin-1(2H)-yl)ethan-1-one; 1-[3,4-Dihydro-4-(4-hydroxyphenyl)-1(2H)-pyrazinyl]ethanone; 1-[4-(4-Hydroxyphenyl)-3,4-dihydro-1(2H)-pyrazinyl]ethanone; Pyrazine, 1-acetyl-1,2,3,4-tetrahydro-4-(4-hydroxyphenyl)-. Grades: ≥95%. CAS No. 581806-59-9. Molecular formula: C12H14N2O2. Mole weight: 218.26.
N-Acetyl Sitagliptin
N-Acetyl Sitagliptin is the N-acetylated derivative of the trizolopyrazine dipeptidyl peptidase IV inhibitor, Sitagliptin. Group: Biochemicals. Alternative Names: 7-[(3R)-3-[(N-Acetyl)Amino]-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine. Grades: Highly Purified. CAS No. 1379666-94-0. Pack Sizes: 5mg. US Biological Life Sciences.
N-[ (Phenylmethoxy) carbonyl]-L-serine Methyl Ester is used to inhibit the activity of Mycobacterium tuberculosis in studies. Also used in the synthesis of pyrazinecarboxamide-based compounds acting as inhibitors of diacylglycerol acetyltransferases regarding treatment of obesity. Group: Biochemicals. Alternative Names: N-Benzyl-N-carboxyserine Methyl Ester; N-Benzyl-N-carboxy-L-serine Methyl Ester; (2S) -2-[ (Benzyloxycarbonyl) amino]-3-hydroxypropionic Acid Methyl Ester; (2S) -2-[ (Benzyloxycarbonyl) amino]-3-hydroxypropionic Acid Methyl Ester; (Benzyloxycarbonyl)-L-serine Methyl Ester; Methyl (2S) -2-[ (Benzyloxycarbonyl) amino]-3-hydroxypropanoate; Methyl (S) -2- ( (Benzyloxycarbonyl) amino) -3-hydroxypropanoate; Methyl N-(Benzyloxycarbonyl)-L-serinate; N-(Benzyloxycarbonyl)-L-serine Methyl Ester; N- (Benzyloxycarbonyl) serine Methyl Ester; N-Carbobenzoxy-L-serine Methyl Ester. Grades: Highly Purified. CAS No. 1676-81-9. Pack Sizes: 10g. US Biological Life Sciences.
Worldwide
pyrimidodiazepine synthase
In the reverse direction, the reduction of 6-pyruvoyl-tetrahydropterin is accompanied by the opening of the 6-membered pyrazine ring and the formation of the 7-membered diazepine ring. The pyrimidodiazepine formed is an acetyldihydro derivative. Involved in the formation of the eye pigment drosopterin in Drosophila melanogaster. Group: Enzymes. Synonyms: PDA synthase; pyrimidodiazepine:oxidized-glutathione oxidoreductase (ring-opening, cyclizing); pyrimidodiazepine:glutathione-disulfide oxidoreductase (ring-opening, cyclizing). Enzyme Commission Number: EC 1.5.4.1. CAS No. 93586-06-2. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1555; pyrimidodiazepine synthase; EC 1.5.4.1; 93586-06-2; PDA synthase; pyrimidodiazepine:oxidized-glutathione oxidoreductase (ring-opening, cyclizing); pyrimidodiazepine:glutathione-disulfide oxidoreductase (ring-opening, cyclizing). Cat No: EXWM-1555.
1-(6,7,9,10-Tetrahydro-6,10-methano-8H-pyrazino[2,3-h][3]benzazepin-8-yl)ethanone is one of Varenicline metabolites. Varenicline is a nicotinic receptor partial agonist. It's a prescription drug used to treat cigarette addiction. Synonyms: N-Acetyl Varenicline; 1-(9,10-dihydro-6H-6,10-methanoazepino[4,5-g]quinoxalin-8(7H)-yl)ethanone; 1-(5, 8, 14-Triazatetracyclo[10.3.1.02, 11.04, 9]hexadeca-2, 4, 6, 8, 10-pentaen-14-yl)ethanone; Ethanone, 1-(6,7,9,10-tetrahydro-6,10-methano-8H-azepino[4,5-g]quinoxalin-8-yl)-. Grades: ≥95%. CAS No. 1213781-59-9. Molecular formula: C15H15N3O. Mole weight: 253.30.
Intermediate in the preparation of Telaprevir. Group: Biochemicals. Alternative Names: (1S, 3aR, 6aS) -2-[ (2S) -2-[[ (2S) -2-Cyclohexyl-2-[ (2-pyrazinylcarbonyl) amino]acetyl]amino]-3, 3-dimethyl-1-oxobutyl]octahydro-cyclopenta[c]pyrrole-1-carboxylic Acid 1,1-Dimethylethyl Ester. Grades: Highly Purified. CAS No. 926276-19-9. Pack Sizes: 500ug. US Biological Life Sciences.
Worldwide
Haematocin
It is produced by the strain of Nectria haematococca Berk. et Br. (880701a-1). It can inhibit the germination of Pyricularia oryzae spore. 500 μg/mL of Haematocin culture 5h may inhibit 97.5% spore germination, but has no effect below 30 μg/mL. Synonyms: 6H,13H-pyrazino[1,2-a,4,5-a']diindole-6,13-dione,4,11-bis(acetyloxy)-4,4a,6a,7,11,11a,13a,14-octahydro-6a,13a-bis(methylthio)-,(4S,4aS,6aS,11S,11aS,13aR)-(9Cl). CAS No. 262425-39-8. Molecular formula: C24H26N2O6S2. Mole weight: 502.60.
(R)-Telaprevir
(R)-Telaprevir is an enantiomer of Telaprevir , an inhibitor of the hepatitis C virus NS3-4A protease. Group: Biochemicals. Alternative Names: (1S, 3aR, 6aS) -2- [ (2S) -2- [ [ (2S) -2-cyclohexyl-2- [ (2-pyrazinylcarbonyl) amino] acetyl] amino] -3, 3-dimethyl-1-oxobutyl] -N- [ (1R) -1- [2- (cyclopropylamino) -2-oxoacetyl] butyl] octahydrocyclopenta [c] pyrrole-1-carboxamide. Grades: Purified. CAS No. 923270-50-2. Pack Sizes: 1mg. US Biological Life Sciences.
Sitagliptin Carbamoyl Tri-O-acetyl-β-D-glucuronide Methyl Ester is an impurity of Sitagliptin. Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: 1-[N-[ (1R) -3-[5, 6-Dihydro-3- (trifluoromethyl) -1, 2, 4-triazolo[4, 3-a]pyrazin-7 (8H) -yl]-3-oxo-1-[ (2, 4, 5-trifluorophenyl) methyl]propyl]carbamate] Tri-O-acetyl-β-D-glucopyranuronic Acid Methyl Ester. Molecular formula: C30H31F6N5O12. Mole weight: 767.58.
Sitagliptin Diamide Impurity
Sitagliptin Diamide Impurity is an impurity of Sitagliptin. Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Synonyms: (S)-N-acetyl-N-(4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)acetamide. Grades: > 95%. Molecular formula: C20H19F6N5O3. Mole weight: 491.39.
Upadacitinib Impurity 16
Upadacitinib Impurity 16. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3S,4S)-benzyl 3-(2-((ethoxycarbonyl)(5-tosyl-5H-pyrrolo[2,3-b]pyrazin-2-yl)amino)acetyl)-4-ethylpyrrolidine-1-carboxylate. CAS No. 2715120-95-7. Molecular Formula: C32H35N5O7S. Mole Weight: 633.71. Catalog: APB2715120957.
Upadacitinib Impurity 17
Upadacitinib Impurity 17. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R,4S)-benzyl 3-(2-((ethoxycarbonyl)(5-tosyl-5H-pyrrolo[2,3-b]pyrazin-2-yl)amino)acetyl)-4-ethylpyrrolidine-1-carboxylate. CAS No. 2050038-81-6. Molecular Formula: C32H35N5O7S. Mole Weight: 633.71. Catalog: APB2050038816.
Upadacitinib Impurity 36
Upadacitinib Impurity 36. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3S,4R)-benzyl 3-ethyl-4-(2-(2,2,2-trifluoro-N-(5-tosyl-5H-pyrrolo[2,3-b]pyrazin-2-yl)acetamido)acetyl)pyrrolidine-1-carboxylate. CAS No. 2715120-88-8. Molecular Formula: C31H30F3N5O6S. Mole Weight: 657.66. Catalog: APB2715120888.
Upadacitinib Impurity 48
Upadacitinib Impurity 48. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3S,4S)-benzyl 3-(2-((tert-butoxycarbonyl)(5-tosyl-5H-pyrrolo[2,3-b]pyrazin-2-yl)amino)acetyl)-4-ethylpyrrolidine-1-carboxylate. CAS No. 2768445-17-4. Molecular Formula: C34H39N5O7S. Mole Weight: 661.77. Catalog: APB2768445174.
Upadacitinib Impurity 50
Upadacitinib Impurity 50. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3S,4R)-benzyl 3-ethyl-4-(2-((5-tosyl-5H-pyrrolo[2,3-b]pyrazin-2-yl)amino)acetyl)pyrrolidine-1-carboxylate. CAS No. 2270173-63-0. Molecular Formula: C29H31N5O5S. Mole Weight: 561.65. Catalog: APB2270173630.
A protected metabolite of Varenicline. Group: Biochemicals. Alternative Names: 1-(6,7,9,10-Tetrahydro-6,10-methano-8H-pyrazino[2,3-h][3]benzazepin-8-carboxylate). Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Varenicline Carbamoyl 2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester is one of Varenicline metabolites. Varenicline is a nicotinic receptor partial agonist. It's a prescription drug used to treat cigarette addiction. Synonyms: [(2S,3R,4S,5S,6S)-3,4,5-triacetyloxy-6-methoxycarbonyloxan-2-yl] 5, 8, 14-triazatetracyclo[10.3.1.02, 11.04, 9]hexadeca-2, 4, 6, 8, 10-pentaene-14-carboxylate; 1-(6,7,9,10-Tetrahydro-6,10-methano-8H-pyrazino[2,3-h][3]benzazepin-8-carboxylate)2,3,4-Tri-O-acetyl-β-D-glucopyranuronic Acid Methyl Ester; Methyl 2, 3, 4-tri-O-acetyl-1-O-[5, 8, 14-triazatetracyclo[10.3.1.02, 11.04, 9]hexadeca-2(11), 3, 5, 7, 9-pentaen-14-ylcarbonyl]-β-D-glucopyranuronate; β-D-Glucopyranuronic acid, 1-O-[(6,7,9,10-tetrahydro-6,10-methano-8H-azepino[4,5-g]quinoxalin-8-yl)carbonyl]-, methyl ester, 2,3,4-triacetate. Molecular formula: C27H29N3O11. Mole weight: 571.53.
Varenicline dihydrochloride
Varenicline dihydrochloride is an α4β2 nicotinic acetylcholine receptor partial agonist. Varenicline is a prescription medication used for smoking cessation. Uses: Smoking cessation drug. Synonyms: 7,8,9,10-tetrahydro-6,10-Methano-6H-pyrazino[2,3-h][3]benzazepine dihydrochloride; Varenicline 2HCl; DB-076707; FT-0701597. Grades: > 98%. CAS No. 866823-63-4. Molecular formula: C13H15Cl2N3. Mole weight: 284.18.
Verrucofortine
A diketopiperazine alkaloid derived from tryptophan and leucine. It is a fungal metabolite isolated from penicillium verrucosum. It exhibits no apparent toxicity in mice even at high doses in vivo. Synonyms: Fructigenine B; Verrucosine; Verrucozine; (-)-Verrucofortine; (3S-(3alpha,5aalpha,10balpha,11abeta))-6-Acetyl-10b-(1,1-dimethyl-2-propenyl)-6,10b,11,11a-tetrahydro-3-(2-methylpropyl)-2H-pyrazino(1',2':1,5)pyrrolo(2,3-b)indole-1,4-(3H,5aH)-dione; (3S,5aR,10bR,11aS)-6-acetyl-10b-(1,1-dimethyl-2-propen-1-yl)-6,10b,11,11a-tetrahydro-3-(2-methylpropyl)-2H-pyrazino[1',2':1,5]pyrrolo[2,3-b]indole-1,4(3H,5aH)-dione. Grades: >99% by HPLC. CAS No. 113706-21-1. Molecular formula: C24H31N3O3. Mole weight: 409.52.
Would you like to list your products on USA Chemical Suppliers?
Our database is helping our users find suppliers everyday.