Internal standard 3, 2000g/ml in MeOH, 1ml Back Catalog number: 30069 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 20023 CLP - Pesticide Surrogate Spike Solution Price on request 0263.20-K-T Benzo[b]fluoranthene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-99-2 Price on request 3427.15-100 Isofenphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 25311-71-1 Price on request