Supplier Page from Thermo Fisher Scientific for Paraformaldehyde, 90%, pure
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific