一般描述
The product number for this product was previously 05-20-1009.To obtain a certificate of analysis (CoA) of a lot that begins with the letter “A”, please select the option in the right hand menu “Request a COA for Lot#s starting with A”.
分析说明
Color (visual): white to slight yellow to beigeAppearance of substance (visual): powderIdentity (IR): passes testOptical rotation α 25/D (c=1 in CH?Cl?): -33.0 - -28.0 °Purity (TLC(CMA2)): ≥ 97 %Purity (TLC(157A)): ≥ 97 %Assay (HPLC, area%): ≥ 97.0 % (a/a)Single impurities (HPLC, area%): ≤ 2.00 % (a/a)Acetate (IC): ≤ 0.1 %Ethyl acetate (HS-GC): ≤ 2.0 %For TLC-Systems see our General Catalog
Sigma-Aldrich西格玛奥德里奇(上海)贸易有限公司
联系商家时请提及chemicalbook,有助于交易顺利完成!