Supplier Page from Aladdin Scientific Corporation for Biochemical, chemical oxygen demand (oxygen consumption) composition analysis reference material
4-Bromo-N-tert-butyl-3-(trifluoromethyl)benzenesulfonamide from Aladdin Scientific Corporation
5-(2-Chlorophenyl)isoxazole-3-carboxylic acid from Aladdin Scientific Corporation
7-nitro-1H-indole-3-carbaldehyde from Aladdin Scientific Corporation
Potassium chromate from Aladdin Scientific Corporation