California Gas Additive Standard Back Catalog number: 98645 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2178.12-K-IO 2,4'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863315-03-1 Price on request XA12210000AL Diazinon, 100µg/mL in Acetonitrile, 1ml Price on request 692211 Napropamide (ISO 17034 CRM), 50mg Price on request