2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 63174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92841 Dibenzothiophene Price on request 2231.20-10-AN Ochratoxin A, 10 µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 303-47-9 Price on request 3479.23-100-CY d-(cis-trans)-Phenothrin Price on request