Boronic Acids
  Chiral Reagents
  Heterocycles & etc
  Amino Acids
  Fluorine Reagents
  Inorganics
  APIs
Tel£º 86-21-37775616
Fax£º 86-21-37775619
Address£º 469 Yinxi Road, Songjiang High-tech Park, Shanghai, China 201615
Email£º service@viwit.com
Custom Synthesis and Contract Manufacturing

Viwit provides custom synthesis and contract manufacturing of organic compounds for the chemical, pharmaceutical and agrochemical industries, backed by our experienced chemical synthesis staff and strong R&D capacities. Compounds are made to order in scales ranging from milligrams to metric ton quantities.
Viwit is highly innovation oriented and has vast experience in the development of chemical processes combined with a broad spectrum of technologies. These include:
  • Asymmetric synthesis
           - Corey Catalytic asymmetric reduction
           - Racemate resolution
           - Chiral pinene chemistry (DIP Choride and pinanediol)
  • Borane chemistry
  • Boron chemistry
  • Friedel-Crafts acylation
  • Bromination
  • Amination
  • Heterocyclic chemistry
  • Fluorine chemistry
  • Grignard reaction
  • Phosgenation
    We deliver not only products but also reliable, high quality service. As a general rule, we respond to new inquires within 48 to 72 hours after the initial screening of literatures. Once a project is underway, we provide each customer with a biweekly report updating the status of the project. This facilitates real-time feedback from customers. We listen carefully to customers' concerns and needs and address each promptly and effectively.
    Viwit also provides clients consulting service to develop new processes for the production of Active Pharma Ingredients (APIs) & Intermediates. Our innovative approach to tackle process development problem helps clients to improve their bottom-line.

    Request a Custom Synthesis Quote
    To obtain a quotation for the custom synthesis of your product from Viwit, please provide the following in addition to your contact information:
    ¡¤ The chemical structure using Chem Draw or ISIS and in the case of a standard product, the catalog number
    ¡¤ Amount of product needed
    ¡¤ Synthesis protocol or scientific literature references for the compound if available
    ¡¤ Desired delivery date
    ¡¤ Company name and contact person
    ¡¤ Telephone, fax and email
    ¡¤ Address
    Please send all necessary information to service@viwit.com.The information that you submit will be transmitted to our Viwit representative. If necessary, Viwit would be pleased to enter into a Confidentiality Agreement with you.
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    Copyright ©2007 VIWIT PHARMACEUTICAL CO.,LTD  Tel£º86-21-37775616  Fax£º86-21-37775619
    Address£º469 Yinxi Rd, Songjiang High-tech Park, Shanghai, China     Email£ºservice@viwit.com