Supplier Page from Thermo Fisher Scientific for Sodium sulfide hydrate, 60-64%, extra pure, scales
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific