Supplier Page from Thermo Fisher Scientific for Eriochrome:r Blue Black B
1-Heptanol, 98% from Thermo Fisher Scientific
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
Methyl 4-(chloroformyl)butyrate, 98% from Thermo Fisher Scientific
Suberic acid, 99% from Thermo Fisher Scientific