Supplier Page from Thermo Fisher Scientific for 1-(2-Pyridylazo)-2-naphthol, 98%, pure, indicator grade
3-Fluoroaniline, 98% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific