Supplier Page from Thermo Fisher Scientific for Potassium hydrogen phthalate, 99.99%, acidimetric standard
2-Ethylaniline, 98% from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific