Online shopping raw materials metonitazene 14680-51-4 yellow powder metonitazene...

West Kameng

Name:tb-500 cas:77591-33-4 molecular formula c212h350n56o78s molecular weight: 4963.44000 quality: 4960.4900...

West Kameng

Cas:5449-12-7 mf:c10h11nao3 mw:202.18 einecs:226-500-0 storage temp. -20°c solubility dmf: 5 mg/ml dmso: 20 mg/ml p...

West Kameng