Supplier Page from Thermo Fisher Scientific for Acetic hydrazide, 96%
4-Isopropylbenzoic acid, 98+% from Thermo Fisher Scientific
D-Cystine, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific