Supplier Page from Thermo Fisher Scientific for Hydrogen bromide, pure, 33 wt.% sol. in glacial acetic acid, AcroSeal®
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific