Pesticide Standard Back Catalog number: 93930 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2209.6-100MG Tris-(aziridinyl)-phosphineoxide, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 545-55-1 Price on request 83610 Isovaleraldehyde-DNPH, 100µg/ml in Acetonitrile, 1ml Price on request 680164 4-Methylvaleric acid, 250mg Price on request