4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91874 EPA Method 8330Mix #1 Price on request 0959.10-100MG 2-Methylnonane, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 871-83-0 Price on request X9123 Isophorone Price on request