2,2',3,4,4',5-Hexachlorobiphenyl (137) Back Catalog number: 66137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0089.7-100MG 1-Heptanethiol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1639-09-4 Price on request 681370 Trigonelline HCl, 100mg Price on request 95032 Volatile Mix Price on request