Benzidine Back Catalog number: 43124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30027 EPA Method 525 - Pesticide Standard Price on request 11339.21-K-ME (-)-trans-11-Nor-9-carboxy-Δ9-THC, 1000µg/ml in MeOH, 1ml Price on request 50151 Phenylarsine oxide Standard Price on request