Carbonyl DNPH Derivatives Back Catalog number: 97505 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2267.12-100-IO 2,2',3,3',4,4',5-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35065-30-6 Price on request 34052 EPA Method 524.2 - Additional Analytes Price on request 71064 p-Methylstyrene Price on request