Supplier Page from Thermo Fisher Scientific for Methyl cellulose, viscosity 400 cP (2% solution in water)
2,6-Lutidine, 99% from Thermo Fisher Scientific
Butyraldehyde, 99% from Thermo Fisher Scientific
D(-)-Ribose, 99+% from Thermo Fisher Scientific
Semicarbazide hydrochloride, 99+% from Thermo Fisher Scientific