California Gas Additive Standard Back Catalog number: 98644 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681062 Quinoline, 100 µg/ml, Methanol, 5ml Price on request 9190.7-100-ME Theophylline-d6 (dimethyl-d6), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 11790-39-8 Price on request 1489.22-10UG Pyrenyl-1-O-glucuronide, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 15417-05-2 Price on request