Supplier Page from Aladdin Scientific Corporation for o,p′-DDE Standard
2,3,4-Trifluorobenzonitrile from Aladdin Scientific Corporation
2,4-Difluorobenzenesulfonamide from Aladdin Scientific Corporation
NO3--N in Water from Aladdin Scientific Corporation
Streptavidin protein (FITC) from Aladdin Scientific Corporation