如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
http://www.sigmaaldrich.com/china-mainland/promotions/my-sigma-aldrich.html
Methyl isothiocyanate, 97% 500GR
N,N二甲基甲酰胺,无水,99.8%
双嘧达莫
Casein soluble in alkali
氯化铯,优级纯
3,4,9,10-苝四羧酸二酐,98.0%(T)
Ethyl 3-phenylglycidate, mixture of cis and trans, 90% 250ML
1,8-Dihydroxyanthraquinone, 90-95% 500GR
Diethyl carbonate, 99% 1LT
蜡酸 ≥95% (capillary GC)