Supplier Page from Thermo Fisher Scientific for Coumarin 314, 99%, pure
2-Mercapto-1-methylimidazole, 98% from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific
L(+)-Prolinol, 95% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific