Oxygenates Standard Back Catalog number: 92880 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677937 D12-Benzo[a]pyrene, 10.0 µg/ml, Cyclohexane, 10m Price on request M258812-1MG Metformin-d6 Hydrochloride, 1mg Price on request 94006 Trimethylbenzene Standard Price on request