Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality ethyl 4-formyl-1H-pyrrole-2-carboxylateCAS NO.: 7126-57-0
High Quality 1-(2-Aminoethyl)imidazolidin-2-oneCAS NO.: 6281-42-1
High Quality aluminum dihydrogen tripolyphosphateCAS NO.: 17375-35-8