Custom synthesis of intermediates
Custom synthesis of impurity reference products
Synthesis process development and optimization
We have a fully equipped chemical laboratory of 2000㎡, excellent laboratory team, can provide our customers with the following customized services:
Route design and synthesis of pharmaceutical impurity reference products
Route design and synthesis of pharmaceutical impurity reference products
The magnitude ranges from milligram to gram
The magnitude ranges from milligram to gram
There are impurities in the current magazine library:
NO. Intermediate Name CAS No. More
1 4-Bromobiphenyl 92-66-0 More
2 TIMNODONIC ACID 10417-94-4 More
3 Ethyl all cis-5,8,11,14,17-Eicosapentaenoate 86227-47-6 More
4 trans-4-Hydroxy-D-proline 3398-22-9 More
5 N-Boc-4-oxo-L-proline methyl ester 256487-77-1 More


  • Add：Floor 5, No.4 building, Wanzhou Technology Innovation Center, No.1, Mengzizhong Road, Wanzhou District, Chongqing
  • Tel：+86-2358100566 Ms. Li
  • E-mail：zxl@puyoupharm.com

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