Hangzhou VIWA Co., Ltd.
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   About us

VIWA pharma division is a professional supplier of active pharmaceutical ingredients and intermediates. We are specialized in R&D and custom manufacturing. Supported by our highly qualified team of professor and technicians, we have rich experience on a wide range of chemical reactions and fermentation from multi gram scale to hundred tons scale according to customers' requirement.

Our main products are cardiovascular, anti-diabetes, anti-cancer, steroid, anti-HIV and their intermediates, especially on oncology products.

Moreover, we are quite strong at regulatory issues. Our products have been marketed in USA, Europe, Latin America, India, Vietnam, Turkey, etc.
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Product List  

Fluvastatin

Application

Fluvastatin

Intermediates

[R*-(E)]-(+-)-7-[3-(4-fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-5-hydroxy-3-oxo-6-heptenoic acid tert butyl ester


Application

Fluvastatin Sodium

CAS No.

93957-49-4

Structure

Intermediates

F1-3-(4-fluorophenyl)-1-(1-methylethyl)-1H-indole


Application

Fluvastatin Sodium

CAS No.

93957-50-7

Structure

Intermediates

F2-(E)-3-[3-(4-fluorophenyl)-1-(1-methylethyl)-1H-indole-2yl] prop-2-enal


Application

Fluvastatin Sodium

CAS No.

93957-52-9

Structure

Intermediates

F3-Methyl(E).-7-[3-(4-fluorophenyl)-1-methylethyl-indol-2-yl]-3-hydroxy-5-oxohept-6-enoate, Also known as (E)-6-Heptenoic-acid-7-[3-(4-fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-5-hydroxy-3-oxo-methyl ester


Application

Fluvastatin Sodium

Structure

Intermediates

F4-Methyl (E)-3,5-dihydroxy-7-[3-(4-fluorophenyl)-1-methylethyl-indol-2-yl] hept-6-enoate


Application

Fluvastatin Sodium

CAS No.

Fluvastatin Penultimate

Intermediates

[R*,S*-(E)]-(+-)-7-[3-(4-fluorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-3,5-dihydroxy-6-heptenoic acid tert butyl ester


Application

Fluvastatin Sodium

CAS No.

93957-55-2

Structure

Intermediates

Sodium(+-)(E)-3,5-dihydroxy-7-[3-(4-fluorophenyl)-1-methylethyl-indol-2-yl]hept-6-enoate


Application

Fluoxetine

CAS No.

59333-67-4

Structure

Acarbose

Formula :

C 17 H 18 F 3 NO


 
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