Benzo(a)pyrene Back Catalog number: X9020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72073 3,3’-Dichlorobenzidine-d6 Price on request 9305. Dextropropoxyphene, , Solvent-, Unit , # of units-, Cas.no. Price on request M288787-1MG 5-Methylbenzotriazole-d6, 1mg Price on request