Supplier Page from Aladdin Scientific Corporation for α-HCH
1H-Pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione from Aladdin Scientific Corporation
4-Bromo-N-tert-butyl-3-(trifluoromethyl)benzenesulfonamide from Aladdin Scientific Corporation
Allyltriisopropylsilane from Aladdin Scientific Corporation
NO3--N in Water from Aladdin Scientific Corporation