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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.
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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.
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1-(3,5-dimethylpyrazin-2-yl)ethan-1-one
1-(3,5-dimethylpyrazin-2-yl)ethan-1-one. Uses: Designed for use in research and industrial production. Product Category: Pyrazines. Appearance: Yellow oil. CAS No. 54300-08-2. Molecular formula: C8H10N2O. Mole weight: 150.2. Purity: 0.97. Product ID: ACM54300082. Alfa Chemistry ISO 9001:2015 Certified. Categories: 2-Acetyl-3,5-dimethylpyrazine.
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.
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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.
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.
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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)-. Grade: ≥95%. CAS No. 1213781-59-9. Molecular formula: C15H15N3O. Mole weight: 253.30.
(2S) -2-Cyclohexyl-N- (2-pyrazinylcarbonyl) glycyl-3-methyl-L-valine. Group: Biochemicals. Alternative Names: (2S) -2-Cyclohexyl-N- (pyrazinylcarbonyl) glycyl-3-methyl-L-valine; (S) -2-[ (S) -2-Cyclohexyl-2-[ (pyrazinyl-2-carbonyl) amino]acetylamino]-3, 3-dimethylbutyric acid. Grades: Highly Purified. CAS No. 402958-96-7. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C19H28N4O4. US Biological Life Sciences.
Worldwide
Amredobresib
Amredobresib is a potent BET inhibitor that inhibits the binding of brominated domains to acetylated lysine on histones H3 and H4, and is therefore an important regulator of gene transcription. It is used in acute myeloid leukemia (AML) and cancer research. (Extracted from patent WO2019145410A1 and WO2021175824A1). Synonyms: 1,2,4-Triazolo(4,3-a)pyrazin-8-amine, N,3-dimethyl-6-(6-(4-methyl-1-piperazinyl)-1-(phenylmethyl)-1hbenzimidazol-2-yl)-; 6-(1-Benzyl-6-(4-methylpiperazin-1-yl)-1H-1,3-benzodiazol-2-yl)-N,3-dimethyl-(1,2,4)triazolo(4,3-a)pyrazin-8-amine; 6-[1-Benzyl-6-(4-methyl-1-piperazinyl)-1H-benzimidazol-2-yl]-N,3-dimethyl[1,2,4]triazolo[4,3-a]pyrazin-8-amine. CAS No. 1610044-98-8. Molecular formula: C26H29N9. Mole weight: 467.57.
Bis (2-methyldibenzo[f, h]quinoxaline) (acetylacetonate)iridium (iII)
Bis (2-methyldibenzo[f, h]quinoxaline) (acetylacetonate)iridium (iII). Group: Organic light-emitting diode (oled) materials. Alternative Names: Bis (2-methyldibenzo[f, h]quinoxaline) (acetylacetonate)iridium (III); (Acetylacetonato)bis(2-methyldibenzo[f, h]quinoxalinato)iridium; Ir(MDQ)2(acac),Bis(2-Methyldibenzo[f,h]quinoxaline)(a. CAS No. 536755-34-7. Product ID: (Z)-4-hydroxypent-3-en-2-one; iridium; 3-methyl-12H-phenanthro[9,10-b]pyrazin-12-ide. Molecular formula: 778.9. Mole weight: C39H30IrN4O2-2. CC1=CN=C2C3= [C-]C=CC=C3C4=CC=CC=C4C2=N1. CC1=CN=C2C3= [C-]C=CC=C3C4=CC=CC=C4C2=N1. CC (=CC (=O) C) O. [Ir]. InChI=1S/2C17H11N2. C5H8O2. Ir/c2*1-11-10-18-16-14-8-4-2-6-12 (14)13-7-3-5-9-15 (13)17 (16)19-11; 1-4 (6)3-5 (2)7; /h2*2-7, 9-10H, 1H3; 3, 6H, 1-2H3; /q2*-1; ; /b; ; 4-3-. LVMYRWNQFBOYFB-DVACKJPTSA-N. 95%+.
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.
Worldwide
Scabrosin acetate butanoate
Scabrosin acetate butanoate is an antitumor epidithiapiperazinedione isolated from the lichen Usnea. Synonyms: (1aS,2S,4aR,6aS,6bR,7aS,8S,10aR,12aS,12bR)-8-(Acetyloxy)-1a,2,6a,6b,7a,8,12a,12b-octahydro-5,11-dioxo-5H,11H-4a,10a-epidithio-4H,10H-bisoxireno[g,g']pyrazino[1,2-a:4,5-a']diindol-2-yl butanoate; Butanoic acid, (1aS,2S,4aR,6aS,6bR,7aS,8S,10aR,12aS,12bR)-8-(acetyloxy)-1a,2,6a,6b,7a,8,12a,12b-octahydro-5,11-dioxo-5H,11H-4a,10a-epidithio-4H,10H-bisoxireno[g,g']pyrazino[1,2-a:4,5-a']diindol-2-yl ester; Ambewelamide A. CAS No. 220345-71-1. Molecular formula: C24H24N2O8S2. Mole weight: 532.59.
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.
Worldwide
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. Grade: >99% by HPLC. CAS No. 113706-21-1. Molecular formula: C24H31N3O3. Mole weight: 409.52.
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