Internal Standard Back Catalog number: 92467 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-13103A1-1ML Prometryne, 100µg/ml in Acetonitrile, 1ml Price on request 30007 EPA Method 525.2 Pesticide Mix #8 Price on request 3446.16-100 o,p'-Methoxychlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 30667-99-3 Price on request