Supplier Page from Thermo Fisher Scientific for Pyridine hydrobromide perbromide, tech. 90%
Allopurinol, 98% from Thermo Fisher Scientific
Imidazole, 99% from Thermo Fisher Scientific
Methyl acetoacetate, 99+% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific