Prasugrel intermediate|Docetaxel intermediate|(S)-2-Aminobutyramide HCl|5-CHLORO-2,3-DIFLUORO PYRIDINE|Pemetrexed disodium intermediate|Finastride intermediate|IMAZETHAPYR|Fondaparinux|Agomelatine|Atazanavir intermediate(L-tert-leucine)--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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Custom Project

We are ready to perform and process contract manufacturing with Confidential Disclosure Agreement basis. Any request from home and abroad is ensured to get a positive reply within 7 to 10 days upon reception.

Equipments
Pilot
Glass reactor : 50L ～ 5000L
Stainless reactor : 100L ～ 1500L
HPLC, GC, UV, IV
Reaction Temperature: -85 °C to 300 °C
Reaction Pressure: 1 to 15 Mpa.
Reaction Ability
An experienced team can finish a variety of organic chemical reaction, particularly in the following types of reactions:

Asymmetric synthesis of Alkene.

FRIEDEL CRAFTS Reactions.

Oxidation and Halogenation Reaction.

Halogenated of Hydroxy Reaction.

Reduction Reaction.

Separation with Column