Supplier Page from Thermo Fisher Scientific for Rhodamine B
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
DL-Menthol, 99% from Thermo Fisher Scientific
Ethyl chrysanthemate, 95%, mixture of cis and trans from Thermo Fisher Scientific
Semicarbazide hydrochloride, 99+% from Thermo Fisher Scientific