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Pharma Intermediates

Date of publication:2019/12/31 17:29:47
Buy the Anti-Viral Intermediates from the well-known pharma APIs and intermediates manufacturer - Huateng Pharma in China, such as oseltamivir impurities, remdesivir intermediates, favipiravir impurities Entecavir Intermediates​, Brilacidin intermediatesbaloxavir marboxil intermediates, Peramivir intermediates etc. We are able to provide the services of Anti-Viral intermediates’ process development and scale-up production with capacities varying from gram to kilograms and multi tons. 

Huateng Pharma has an R&D base of 5,000 square meters and a smart pharmaceutical industrial park of 34,000 square meters. It is dedicated to the R&D and production of high-end biomedical chemical products, such as pharmaceutical intermediates, PEG derivatives, etc.  
 
Oseltamivir Intermediates
1 Oseltamivir phosphate CAS No. 204255-11-8 View details>>
2 (1S,5R,6S)-Ethyl 5-(pentan-3-yl-oxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylate CAS No. 204254-96-6 View details>>
3 (3R,4R,5S)-Ethyl 4-(N-(tert-butyl)acetamido)-5-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate hydrochloride CAS No. 651324-08-2 View details>>
4 (3R,4R,5S)-ethyl 4-acetamido-5-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate CAS No. 651324-09-3 View details>>
5 Ethyl 4-acetamido-3-hydroxybenzoat CAS No. 1346604-18-9 View details>>
6 3-Des(1-ethylpropoxy)-3-(1-methylpropoxy) Oseltamivir CAS No. 1052063-37-2 View details>>
7 Oseltamivir Impurity 48 CAS No. 651324-04-8 View details>>
8 Oseltamivir acid CAS No. 187227-45-8 View details>>
Baloxavir Marboxil Intermediates
1 Baloxavir Marboxil CAS No. 1985606-14-1 View details>>
2 7,8-Difluoro-6,11-dihydrodibenzo[b,e]thiepin-11-ol CAS No. 1985607-83-7 View details>>
3 (R)-7-(benzyloxy)-3,4,12,12a-tetrahydro-1H-[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazine-6,8-dione CAS No. 1985607-70-2 View details>>
4 7,8-Difluorodibenzo[b,e]thiepin-11(6H)-one CAS No. 2136287-66-4 View details>>
5 (12aR)-7-(hexyloxy)-3,4,12,12a-tetrahydro-1H-[1,4]Oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazine-6,8-dione 4-methylbenzenesulfonate CAS No. 2136287-68-6 View details>>
6 7-(Benzyloxy)-3,4,12,12a-tetrahydro-1H-[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazine-6,8-dione CAS No. 1370250-39-7 View details>>
7 tert-Butyl (3-(benzyloxy)-2-((2-(2,2-dimethoxyethoxy)ethyl)carbamoyl)-4-oxopyridin-1(4H)-yl)carbamate CAS No. 2136287-61-9 View details>>
8 (R)-7-(benzyloxy)-12-((S)-7,8-difluoro-6,11-dihydrodibenzo[b,e]thiepin-11-yl)-3,4,12,12a-tetrahydro-1H-[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazine-6,8-dione CAS No. 1985606-53-8 View details>>
9 BPCA CAS No. ​119736-16-2 View details>>
Entecavir Intermediates
1 (1S,2R)-2-(Benzyloxymethyl)-1-hydroxy-3-cyclopentene CAS No. 110567-21-0 View details>>
2 (1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol CAS No. 142217-77-4 View details>>
3 (1S,2S,3S,5S)-3-(benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl)amino)-9H-purin-9-yl)-2-((benzyloxy)methyl)cyclopentano CAS No. 142217-78-5 View details>>
4 6-(Benzyloxy)-9-((1S,3S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine CAS No. 142217-80-9 View details>>
5 2-Amino-9-((1S,3R,4S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one CAS No. 142217-81-0 View details>>
Brilacidin Intermediates
1 4,6-PYRIMIDINE DICARBOXYLIC ACID CAS No. 16490-02-1 View details>>
Peramivir Intermediates
1 1H-1,2,4-Triazole-1-carboximidamide hydrochloride CAS No. 19503-26-5  View details>>
Remdesivir Intermediates
1 Remdesivir CAS No. 1809249-37-3 View details>>
2 2-(3-((4-((Ethoxyimino)methyl)-5-(4-(trifluoromethoxy)phenyl)isoxazol-3-yl)methoxy)phenyl)acetic acid CAS No. 1191578-98-9 View details>>
3 2,3,5-Tri-O-benzyl-D-ribonolactone CAS No. 55094-52-5 View details>>
4 Pyrrolo[2,1-f][1,2,4]triazin-4-amine CAS No. 159326-68-8 View details>>
5 Remdesivir amino ester compound CAS No. 946511-97-3 View details>>
6 Remdesivir Chloro compound CAS No. 1355049-92-1 View details>>
7 Remdesivir N-4 intermediate CAS No. 1355357-49-1 View details>>
8 GS-441524 CAS No. 1191237-69-0 View details>>
9 Remdesivir N-2 intermediate CAS No. 1191237-80-5 View details>>
Favipiravir Intermediates
1 Favipiravir CAS No. 259793-96-9 View details>>
2 3-Hydroxypyrazine-2-carboxamide CAS No. 55321-99-8 View details>>
3 6-Bromo-3-hydroxypyrazine-2-carboxamide (KSM precursor) CAS No. 259793-88-9 View details>>
4 3,6-Dichloropyrazine-2-carbonitrile CAS No. 356783-16-9 View details>>
5 3,6-Difluoro-2-Pyrazinecarbonitrile CAS No. 356783-28-3 View details>>
6 6-Fluoro-3-hydroxypyrazine-2-carbonitrile​ CAS No. 356783-31-8​ View details>>
Dolutegravir Intermediates
1 (R)-3-Aminobutan-1-ol CAS No. 61477-40-5 View details>>
2 R-3-Aminobutyric acid  CAS No. 3775-73-3  View details>>