Method 1640 Tuning Standard Back Catalog number: 52147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2603.16-10MG Hexadecahydropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2435-85-0 Price on request X9054 4,4’-DDD Price on request 676901 Dimethenamid-P ESA sodium salt, 10mg Price on request