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 3055.28-50-IO alpha alpha alpha (20R,24S)-24-Methylcholestane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 511-20-6 Price on request 684918 1,2-Hexanediol, 1000mg Price on request D493755 7,9-Di-tert-butyl-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione Price on request