(1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine (2R,3R)-2,3-dihydroxybutanedioate CAS NO.220352-39-6

 Nanjing Legend Pharmaceutical & Chemical Co., Ltd is a research-based pharmaceutical & chemical enterprise dedicated to the development, manufacture and marketing of novel products in pharmaceuticals and fine chemicals . 

Legend has technological competencies in asymmetric synthesis, organomatelic chemistry, chiral chemistry and multi-step synthesis. Legend has formed competitive advantage globally in the supply of certain chiral APIs, Antivirus intermediates & chiral reagents and etc. Products and services are served to customers and partners in Asia, Europe, North America and South America. Legend vision is to become a global leader in the development and commercialization of certain innovative products in the fields of Anti-Viral intermediates，chiral chemicals, pharmaceuticals and to create value for  customers, employees, stakeholders and society to live a better life.

CMO of innovative pharmaceutical products--API & Intermediate

Advantages：
Excellent production conditions: The multi-function workshops can supply product from milligram to kilogram and to ton; specializes in ultra-low temperature ,high-pressure hydrogenation and other unconventional reaction;research results can be quickly converted into industrialization. 

Strict quality control system: product quality standards are established in accordance with the requirements of ICH guidance.Enquan is more concerned about the quality of products than the customer, for example, more attention are paid on impurity transfer and impurity profile study in the process development,esp.on drug intermediates impurity control. 

1.High quality

2.competitive

3.professional manufacturer

4.best service

5.loyal ad honest supplier