Meperidine Back Catalog number: 96503 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58651 Spiking Standard 4 Price on request 1089.22-K-TX5 Benzo[ghi]perylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 93951-66-7 Price on request 677014 Formothion, 10.0 µg/ml, Cyclohexane, 10ml Price on request