Supplier Page from Thermo Fisher Scientific for Sodium tetraphenylborate, ACS, 99.5% min
4-Aminophenylacetic acid, 98% from Thermo Fisher Scientific
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific