Supplier Page from Thermo Fisher Scientific for Crocein Scarlet 7B, >70% dye content
D(-)-Ribose, 99+% from Thermo Fisher Scientific
Diethyl carbonate, 99% from Thermo Fisher Scientific
L(+)-Arabinose, 99+% from Thermo Fisher Scientific
Methyl chloroformate, 99% from Thermo Fisher Scientific