Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality (1S,5R)-2-Oxabicyclo[3.3.0]oct-6-en-3-oneCAS NO.: 43119-28-4
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High Quality Benzenecarboximidamide,4,4'-[1,3-propanediylbis(oxy)]bisCAS NO.: 104-32-5
High Quality 2-Pyrrolidinone,4-phenyl-(1198-97-6)CAS NO.: 1198-97-6