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  

Ziprasidone

Application

Ziprasidone

Intermediates

3-(1-Piperazinyl)-1,2-benzisothiazole hydrochloride


Application

Ziprasidone

Intermediates

5-Chloroethyl-6-Chloro-1,3-Dihydro-2-H Indole-2-One


Application

Ziprasidone

Intermediates

1,2 Benzisothiazol-3(2H) one


Application

Ziprasidone

Intermediates

5-Chloroacetyl-6-Chloro-1,3-Dihydro-2-H Indole-2-One


Application

Ziprasidone

CAS No.

14 4010-02-6

Structure

Intermediates

1,2-Benzisothiazole,3-(1-piperazinyl),hydrochloride


Application

Ziprasidone

CAS No.

56341-37-8

Intermediates

6-Chloro-2-Oxindole


pplication

Ziprasidone, Thiospirone

CAS No.

87691-87-0

Intermediates

3-Piperazinyl-1,2-Benzisothiazole.HCl


Application

Ziprasidone

CAS No.

138982-67-9

Formula :

C 21 H 21 ClN 4 OS¡¤HCl¡¤H 2 O


 
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