Supplier Page from Thermo Fisher Scientific for Crocein Scarlet 7B, >70% dye content
4-Isopropylbenzoic acid, 98+% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
L-Serine, 99% from Thermo Fisher Scientific
Methyl acetoacetate, 99+% from Thermo Fisher Scientific