Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 4-Methyl-2-hexanamine hydrochlorideCAS NO.: 13803-74-2
High Quality (S)-2-(Aminomethyl)-1-ethylpyrrolidineCAS NO.: 22795-99-9
High Quality N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochlorideCAS NO.: 637-01-4