Chlorpyrifos, 100µg/mL in MeOH, 1ml Back Catalog number: 64688 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9198.21-100-ME Pregnenolone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 145-13-1 Price on request 53081 Instrument Standard 5 Price on request 3016.5-1ML cis-2-Pentene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 627-20-3 Price on request