Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High quality Copper phthalocyanine(147-14-8)CAS NO.: 147-14-8
High quality [1,1'-Biphenyl]-4-carboxaldehyde(3218-36-8)CAS NO.: 3218-36-8
High quality 2-Propenamide,2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-, (2E)-(130929-57-6)CAS NO.: 130929-57-6
High quality 1-Azulenesulfonic acid,3,8-dimethyl-5-(1-methylethyl)-, sodium salt (1:1)CAS NO.: 6223-35-4
High quality Epidermal Growth Factor(EGF) with best priceCAS NO.: 62253-63-8