Pesticide/Biphenyl Standard Back Catalog number: 94216 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94519 EPA Method 551.1 Standard Price on request N389905 (E)-Neochlorogenic Acid, 10mg Price on request 682116 6-Phenyl-2-thiouracil, 100mg Price on request