Naproxen, 100µg/ml in MeOH, 1ml Back Catalog number: 96589 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677612 Halosulfuron (free acid), 10mg Price on request 673719 Trifluralin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 91974 EPA Method 507 Pesticide Standard Price on request