1,3,5-Naphthalenetrisulfonicacid,8,8'-[carbonylbis[imino-3,1-phenylenecarbonylimino(4-methyl-3,1-phenylene)carbonylimino]]bis-,sodium salt (1:6) CAS NO.129-46-4

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovative technologies for organic synthesis , Fenghua produces a proprietary line of products , such as boronic acids , chiral intermediates , and heterocyclic chemicals ( pyridine derivatives , piperidine derivatives , pyrimidine derivatives , indole derivatives etc )that are marketed world wide. Equally important , Fenghua performs custom synthesis , contract manufacturing and toll manufacturing providing the bulk active ingredients and advanced intermediates.

As a organic synthesis producer with 10 years experience serving the pharmaceutical , biotech and drug discovery industry . With powerful research ability and advanced detecting apparatus , Fenghua offers your company best serves in pharmaceutical development and manufacture. We are fully committed to bringing our best services to help your company more successful.

We are constantly upgrading every aspect of our quality systems in terms of staff training, documentation and analytical capabilities to achieve the highest levels possible. The quality of our products is one of our most significant assets. We constantly seek ways to improve our quality systems and welcome any suggestions from our customers or regulatory groups on how to do this. We have the following procedures in our quality systems to monitor the quality of products throughout the whole manufacturing process and even up to inventory.