Supplier Page from Thermo Fisher Scientific for (±)-Verapamil hydrochloride, 99+%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific