Modified 525.2 Pesticide Standard #1 Back Catalog number: 31006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98529 4,4’-Diamino-3,3’-dimethyldiphenylmethane Price on request 679332 2-Methylbenzophenone, 250mg Price on request 676663 Isophorone, 1ml Price on request