Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Back Catalog number: 71280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679910 Matrine, 100mg Price on request 1089.22-100-T Benzo[ghi]perylene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93951-66-7 Price on request 93467 Alcohol Standard Price on request