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Zhejiang Yousheng Industry &Trade Co., Ltd. belonging to the state-owned system of Supply and Purchase Cooperation of Zhejiang Province(SPCZJ), was founded in 2008, it is a secondary subsidiary of Zhejiang Shindai Group Co., Ltd(ZJSG). one of the top 500 enterprises of import and export in China, who is affiliated to SPCZJ. YOUSHENG belonging to ZJSG’s primary subsidiary Zhejiang Sunnic Group Co., Ltd. , is a chemical ,pharmaceutical research and production of integrated enterprise. The registered capital of it is RMB38 million, mainly engage in pharmaceuticals covering HCV,Diabetes anti-cancer and etc. ......

D-Glucitol, 1,5-anhydro-1-C-[4-chloro-3-[(4-ethoxyphenyl)Methyl]phenyl]-, tetraacetate, (1S)-
CAS No. 461432-25-7
(2S,3R,4S,5S,6R)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxyMethyl)-2-Methoxytetrahydro-2H-pyra
CAS No. 714269-57-5
1-chloro-2-(4-ethoxybenzyl)-4-iodobenzene
CAS No. 1103738-29-9
4-bromo-1-chloro-2-(4-ethoxybenzyl)benzene
CAS No. 461432-23-5
(2-Chloro-5-iodophenyl)(4-fluorophenyl)methanone
CAS No. 915095-86-2
(5-bromo-2-chlorophenyl)(4-fluorophenyl)methanone
CAS No. 915095-85-1
(2-Chloro-5-iodophenyl)[4-[[(3S)-tetrahydro-3-furanyl]oxy]phenyl]methanone
CAS No. 915095-87-3
Methyl 1-C-[4-chloro-3-[[4-[[(3S)-tetrahydro-3-furanyl]oxy]phenyl]methyl]phenyl]-alpha-D-glucopyrano
CAS No. 1279691-36-9
(R)-(-)-3-Hydroxytetrahydrofuran
CAS No. 86087-24-3
D-Glucitol, 1,5-anhydro-1-C-[4-chloro-3-[[4-[[(3S-tetrahydro-3-furanyl]oxy]phenyl]
CAS No. 915095-99-7
α-D-Glucopyranosyl bromide, 2,3,4,6-tetrakis(2,2-dimethylpropanoate)
CAS No. 81058-27-7
D-Glucitol, 1,5-anhydro-1-C-[4-chloro-3-[(4-hydroxyphenyl)methyl]phenyl]-, 2,3,4,6-
CAS No. 1843257-62-4
D-Glucitol, 1,5-anhydro-1-C-[4-chloro-3-[(4-hydroxyphenyl)methyl]phenyl]-, 2,3,4,6-
CAS No. 1079083-63-8
(4-(5-bromo-2-chlorobenzyl)phenoxy)(tert-butyl) dimethylsilane
CAS No. 864070-19-9
(R)-tetrahydrofuran-3-yl 4-methylbenzenesulfonate
CAS No. 219823-47-9
4-[(5-Bromo-2-chlorophenyl)methyl]phenol
CAS No. 864070-18-8
(3S)-3-(4-(2-chloro-5-iodobenzyl)phenoxy)tetrahydrofuran
CAS No. 915095-94-2
(3S)-3-(4-(5-bromo-2-chlorobenzyl) methyl]phenoxy]tetrahydro-furan
CAS No. 915095-89-5
(S)-(5-bromo-2-chlorophenyl)(4-((tetrahydrofuran-3-yl)oxy)phenyl)methanone
CAS No. 915095-84-0
(S)-3-Hydroxytetrahydrofuran
CAS No. 86087-23-2
(1S)-1,5-Anhydro-1-C-[3-[[5-(4-fluorophenyl)-2-thienyl]methyl]-4-methylphenyl]-D-glucitol 2,3,4,6-te
CAS No. 1283129-18-9
(2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)tet
CAS No. 866607-35-4
Methyl 1-C-[3-[[5-(4-fluorophenyl)-2-thienyl]methyl]-4-methylphenyl]-D-glucopyranoside
CAS No. 1030825-21-8
2-(4-fluorophenyl)-5-(5-iodo-2-methylbenzyl)thiophene
CAS No. 898566-17-1
2-(5-bromo-2-methylbenzyl)-5-(4-fluorophenyl)thiophene
CAS No. 1030825-20-7
(5-(4-fluorophenyl)thiophen-2-yl)(5-iodo-2-methylphenyl)methanone
CAS No. 1071929-08-2
(5-bromo-2-methylphenyl)(5-(4-fluorophenyl)thiophen-2-yl)methanone
CAS No. 1132832-75-7
2-(4-fluorophenyl)thiophene
CAS No. 58861-48-6
α-L-Xylofuranose, 1,2-O-(1-methylethylidene)-
CAS No. 114861-22-2
α-L-Xylofuranuronic acid, 1,2-O-(1-methylethylidene)-
CAS No. 1103738-17-5
D-xylo-Pentodialdo-5,2-furanose, 4,5-O-(1-Methylethylidene)-1-C-4-Morpholinyl-,(5S)-
CAS No. 1103738-19-7
β-L-Xylopyranoside, methyl 5-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-1-thio-, 2,
CAS No. 1018899-03-0
D-xylo-Pentodialdo-5,2-furanose, 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-4,5
CAS No. 1103738-30-2
(2R,3S,4S)-2,3,4-Tris(benzyloxy)-4-(4-((benzyloxy)-methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-1-(4-meth
CAS No. 1431329-06-4
(2S,3R,4S,5S)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6,6-bis(hydroxymethyl)-2-metho
CAS No. 1528636-39-6
L-Idose, 5,6-O-(1-methylethylidene)-1-C-(4-methyl-1-piperazinyl)-5-C-[(phenylmethoxy
CAS No. 1520113-00-1
β-L-Idopyranose, 5-C-[(acetyloxy)methyl]-1,6-anhydro-1-C-[4-chloro-3-[(4-ethoxypheny
CAS No. 1298086-18-6
8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dion
CAS No. 853029-57-9
2-(Chloromethyl)-4-methylquinazoline
CAS No. 109113-72-6
3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine
CAS No. 666816-98-4
1-Bromo-2-butyne
CAS No. 3355-28-0
8-bromo-3-methyl-7H-purine-2,6-dione
CAS No. 93703-24-3
(2S)-4-Oxo-2-(3-thiazolidinylcarbonyl)-1-pyrrolidinecarboxylic acid tert-butyl ester
CAS No. 401564-36-1
1-(3-Methyl-1-phenyl-5-pyrazolyl)piperazine
CAS No. 401566-79-8
L-Alanine isopropyl ester hydrochloride
CAS No. 62062-65-1
2'-deoxy-2'-fluoro-2'-C-methyluridine
CAS No. 863329-66-2
[(2R,3R,4R)-3-(4-chlorobenzoyl)oxy-4-fluoro-4-methyl-5-oxooxolan-2-yl]methyl 4-chlorobenzoate
CAS No. 1294481-79-0
N-[(S)-(2,3,4,5,6-Pentafluorophenoxy)phenoxyphosphinyl]-L-alanine 1-methylethyl ester
CAS No. 1334513-02-8
((2R,3R,4R)-3-(benzoyloxy)-4-fluoro-4-methyl-5-oxotetrahydrofuran-2-yl)methyl benzoate
CAS No. 874638-80-9
2-C-methyl-4,5-O-(1-methylethylidene)-,ethyl ester
CAS No. 93635-76-8
3-Acetyl-10,11-dihydro-5H-benzo[d]naphtho[2,3-b]pyran-8(9H)-one
CAS No. 1438383-92-6
7-[(5-Acetyl-2-bromobenzyl)oxy]-3,4-dihydronaphthalen-1(2H)-one
CAS No. 1844064-94-3
Velpatasvir Intermediate N-1 Phospate Salt
CAS No. 1844064-97-6
Velpatasvir Intermediate N-1 HCl Salt
CAS No. 1844065-09-3
7-Hydroxy-1-tetralone
CAS No. 22009-38-7
(R)-2-(methoxycarbonylamino)-2-phenylacetic acid
CAS No. 50890-96-5
9-Bromo-3-(2-Bromo Acetyl)-10,11-Dihydro-5H-dibenzo(c,g) Chromen-8(9H)-one
CAS No. 1438383-89-1
Velpatasvir intermediate
CAS No. 1378391-39-9
Velpatasvir Intermediate N-5
CAS No. 1378391-42-4
Velpatasvir intermediate N-4
CAS No. 1378391-43-5
Velpatasvir intermediate N-3
CAS No. 1378391-44-6
1-(tert-butyl) 2-methyl (2S,4S)-4-cyanopyrrolidine-1,2-dicarboxylate
CAS No. 487048-28-2
(2S,5S)-N-Boc-5-Methylpyrrolidine-2-carboxylic acid
CAS No. 334769-80-1
Velpatasvir Intermediate N-2
CAS No. 1378391-45-7
3-(2-bromoacetyl)-10,11-dihydro-5H-Benzo[d]naphtho[2,3-b]pyran-8(9H)-one
CAS No. 1378390-29-4
3-Chloro-10,11-dihydro-5H-benzo[d]naphtho[2,3-b]pyran-8(9H)-one
CAS No. 1378388-20-5
(2S,4S)-1-(tert-butoxycarbonyl)-4-(MethoxyMethyl)pyrrolidine-2-carboxylic acid
CAS No. 1378388-16-9
(2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidine-2-carboxylic acid
CAS No. 1335316-40-9
Ledipasvir intermediate 1499193-67-7
CAS No. 1499193-67-7
(6S)-6-[5-(7-Bromo-9,9-difluoro-9H-fluoren-2-yl)-1H-imidazol-2-yl]-5-azaspiro[2.4]heptane-5-carboxyl
CAS No. 1256388-49-4
Ledipasvir intermediate
CAS No. 1256393-27-7
Ledipasvir intermediate
CAS No. 1256388-50-7
Ledipasvir intermediate
CAS No. 1256387-87-7
1-(7-Bromo-9,9-difluoro-9H-fluoren-2-yl)-2-chloroethanone
CAS No. 1378387-81-5
(S)-2-((methoxycarbonyl)amino)-3-methylbutanoic acid
CAS No. 74761-42-5
Ledipasvir intermediate
CAS No. 1441670-89-8
Ledipasvir intermediate
CAS No. 1256387-74-2
291775-59-2; (1R,3S,4S)-2-(tert-butoxycarbonyl)-2-azabicyclo[2.2.1]heptane-3-carboxylic acid
CAS No. 291775-59-2
Ledipasvir intermediate; (S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid;
CAS No. 1129634-44-1
4,4'-bis(2-((S)-pyrrolidin-2-yl)-1H-imidazol-5-yl)-1,1'-biphenyl hydrochloride
CAS No. 1009119-83-8
(2S,2'S)-di-tert-butyl 2,2'-(5,5'-([1,1'-biphenyl]-4,4'-diyl)bis(1H-imidazole-5,2-diyl))bis(pyrrolid
CAS No. 1007882-23-6
4,4'-Bis(2-bromoacetyl)biphenyl
CAS No. 4072-67-7
L-Octahydroindole-2-carboxylic acid
CAS No. 80875-98-5
4,16-Dibromo[2.2]paracyclophane
CAS No. 96392-77-7
1H-Benzimidazole, 6,6'-tricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene-5,11-diylbis[2-[(2S,3aS,
CAS No. 1415120-55-6
(2S,3aS,7aS)-tert-butyl 2-(6-bromo-1H-benzo[d]imidazol-2-yl)octahydro-1H-indole-1-carboxylate
CAS No. 1415120-52-3
(2S,3aS,7aS)-tert-butyl 2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]imidazol-2-yl)
CAS No. 1415120-53-4
2-(2S)-2-Pyrrolidinyl-6-[6-[2-(2S)-2-pyrrolidinyl-1H-imidazol-5-yl]-2-naphthalenyl]-1H-benzimidazole
CAS No. 1228552-35-9
(S)-tert-butyl 2-(5-(6-bromonaphthalen-2-yl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylate
CAS No. 1228551-96-9
(S)-tert-butyl 2-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]imidazol-2-yl)pyrrolidi
CAS No. 1208009-37-3
(2R,5S,13aR)-2,3,4,5,7,9,13,13a-octahydro-8-methoxy-7,9-dioxo-N-[(2,4,6-trifluo
CAS No. 1616340-94-3
(2R,5S,13aR)-2,3,4,5,7,9,13,13a-octahydro-8-methoxy-7,9-dioxo-2,5-Methanopyrido[1
CAS No. 1616342-45-0
(2R,5S,13aR)-2,3,4,5,7,9,13,13a-octahydro-8-methoxy-7,9-dioxo-2,5-Methanopyrido[1
CAS No. 1616342-45-0
2,4,6-Trifluorobenzylamine
CAS No. 214759-21-4
(1R,3S)-3-Aminocyclopentanol
CAS No. 1110772-05-8
3-(4-bromo-1H-pyrazol-1-yl)-1-(ethylsulfonyl)-3-Azetidineacetonitrile
CAS No. 2089575-87-9
7H-Pyrrolo[2,3-d]pyrimidine-7-carboxylic acid, 4-[1-[3-(cyanomethyl)-1-(ethylsulfonyl)-
CAS No. 2055723-13-0
4-Chloro-7-(p-tolylsulfonyl)pyrrolo[2,3-d]pyrimidine
CAS No. 479633-63-1
Pyrazole-4-boronic acid pinacol ester
CAS No. 269410-08-4
tert-butyl 4-chloro-7H-pyrrolo[2,3-d]pyrimidine-7-carboxylate
CAS No. 1236033-21-8
4-Chloropyrrolo[2,3-d]pyrimidine
CAS No. 3680-69-1
3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborol
CAS No. 1919837-50-5
2-(1-(ethylsulfonyl)azetidin-3-ylidene)acetonitrile
CAS No. 1187595-85-2
(3R,4S)-1-((benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid Dicyclohexylamine Salt
CAS No. 2095311-49-0
(3R,4S)-1-((benzyloxy)carbonyl)-4-ethylpyrrolidine-3-carboxylic acid
CAS No. 1428243-24-6
(3S,4R)-benzyl 3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)pyrrolidine-1-carboxylate
CAS No. 2095311-51-4
benzyl(3R,4S)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate
CAS No. 1428243-26-8
5-[(4-methylphenyl)sulfonyl]-5H-Pyrrolo[2,3-b]pyrazine-2-carboxylic acid
CAS No. 1201630-75-2
N-[5-[(4-methylphenyl)sulfonyl]-5H-pyrrolo[2,3-b]pyrazin-2-yl]-
CAS No. 1201187-44-1
N-(5-Bromo[1,2,4]triazolo[1,5-a]pyridin-2-yl)cyclopropanecarboxamide
CAS No. 1142943-96-1
5-bromo-[1,2,4]triazolo[1,5-a]pyridin-2-amine
CAS No. 1010120-55-4
6-acetyl-2-chloro-8-cyclopentyl-5-methyl-Pyrido[2,3-d]pyrimidin-7(8H)-one
CAS No. 1651214-73-1
4-[6-(6-BROMO-8-CYCLOPENTYL-5-METHYL-7-OXO-7,8-DIHYDRO-PYRIDO[2,3-D]PYRIMIDIN-2-YLAMINO)-PYRIDIN-3-Y
CAS No. 571188-82-4
6-broMo-2-chloro-8-cyclopentyl-5-Methylpyrido[2,3-d]pyriMidin-7(8H)-one
CAS No. 1016636-76-2
2-chloro-8-cyclopentyl-5-Methylpyrido[2,3-d]pyriMidin-7(8H)-one
CAS No. 1013916-37-4
Tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate
CAS No. 571188-59-5
1-Piperazinecarboxylic acid, 4-[6-[[7-cyclopentyl-6-[(dimethylamino)carbonyl]-7H-pyrrolo[
CAS No. 1374639-78-7
2-chloro-7-cyclopentyl-7H-pyrrolo[2,3-d]pyriMidine-6-carboxylic acid
CAS No. 1211443-58-1
2-chloro-7-cyclopentyl-N,N-diMethyl-7H-pyrrolo[2,3-d]pyriMidine-6-carboxaMide
CAS No. 1211443-61-6
6-Bromo-4-fluoro-1-isopropyl-2-methyl-1H-benzo[d]imidazole
CAS No. 1231930-33-8
4-fluoro-1-isopropyl-2-Methyl-6-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]iMidazole
CAS No. 1231930-37-2
1H-BenziMidazole, 6-(2-chloro-5-fluoro-4-pyriMidinyl)-4-fluoro-2-Methyl-1-(1-Methylethyl)-
CAS No. 1231930-42-9
5-((4-Ethylpiperazin-1-yl)methyl)pyridin-2-amine
CAS No. 1180132-17-5
1-Aminocyclopropane-1-carboxylic acid hydrochloride
CAS No. 68781-13-5
1-Aminocyclopropanecarboxylic acid
CAS No. 22059-21-8
4-Fluoro-5-hydroxy-2-methylindole
CAS No. 288385-88-6
4-chloro-6-methoxy-7-benzyloxyquinoline
CAS No. 286371-49-1
4-(4-fluoro-2-methyl-1H-indol-5-yloxy)-6-methoxy-7-benzyloxyquinoline
CAS No. 1210828-43-5
N-[1-(Hydroxymethyl)cyclopropyl]carbamic acid phenylmethyl ester
CAS No. 103500-22-7
N-(4-fluorobenzyl)-1-methylpiperidin-4-amine
CAS No. 359878-47-0
4-isobutoxy bezylamine
CAS No. 4734-09-2
4-Isobutoxy benzylamine acetate
CAS No. 955997-89-4
1H-Imidazole-1-carboxamide, N-[(4-fluorophenyl)methyl]-N-(1-methyl-4-piperidinyl)-
CAS No. 1983947-08-5