California Gas Additive Standard Back Catalog number: 98644 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679676 13C6-Oxyphenbutazone, 10mg Price on request 2125.12-K-IO Arochlor 1221 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2 Price on request 9440.10-100 Secbumeton, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 26259-45-0 Price on request