2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3869.9-1ML Cinnamaldehyde, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 14371-10-9 Price on request 3623.20-10MG 17 alpha-Ethynylestradiol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57-63-6 Price on request 678647 17-alpha-Methyltestosterone, 100mg Price on request