Chlorpyrifos Back Catalog number: 70090 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2596.40-10UG Tetrabenzo[def,lm,grs,yz]pyranthrene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 190-65-8 Price on request 1272.9-K-CY 1-Ethyl-4-methylbenzene (4-ethyltoluene, p-ethyltoluene), 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 622-96-8 Price on request 1524.12-K-TX10 Acenaphthene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 15067-26-2 Price on request