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
表儿茶素,(-)-Epicatechin from green tea,≥98%
D-Gluconic acid, calcium salt, 99% 5GR
对苯二甲醛,98%
C18,15-30um,120A,球形
4-羟基异喹啉,97%+
5-Bromo-1-benzothiophene-2-carbonyl chloride, 95%
二乙胺盐酸盐,99%
4-硝基吡咯-2-羧酸水合物, ≥99.0%
Isopropyl 2-bromoisobutyrate for synthesis
Ethyl 4-ethoxybenzoate, 97% 5GR