Pharmaceutical Chemical Suppliers

Established in 2006, Topkey Pharmaceutical Chemical Co., Ltd. is a leading professional manufacturer of APIs and intermediate product in Hubei province, China

bromophenyl pyridine, pyridine, liquid crystal, pyridine derivative, specialty chemical, fine chemical, pharmaceutical intermediate, Heterocyclo, china, electro

As a professional producer of chemical raw materials and major supplier of cosmetics in china, we may manufacture and Provide various kinds of chemicals Pharmac

Specifications Sodium sulfite anhydrous 70%~80%, 92%, 96%, 97% 2% discount price COA and MSDS

Chemical drugs, circulating (cardiovascular) system drugs, pharmaceutical raw materials, botanicals, central nervous system drugs.We have more than 10 years exp

PVP Series Product Name : PVPk30 USP and EP Grade CAS NO.:9003-39-8 Properties: White or creamy white powder, odorless, nontoxic, non-irritant, dissolves r

High quality 13605-48-6 3-[3', 4'-(methyleendioxy)-2-methyl glycidate with lowest price     product name:3-[3' 4'-(