Internal Std., 4000µg/ml Methylene Chloride, 1ml Back Catalog number: 10009 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 97487 Phthalate Standard Price on request C10862000 2-Butanone, certified, 1ml Price on request 1709.19-10MG 2-Methoxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63020-58-6 Price on request