Supplier Page from Thermo Fisher Scientific for (+)-Biotin N-succinimidyl ester, 98%
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific