THM Standard Back Catalog number: 91616 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4H172 2,2',3,3',4',5,5'-Heptachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane Price on request 73471 Bis[2-(N,N-dimethylamino)ethyl] ether Price on request 678527 D10-Napropamide, 10.0 µg/ml, Acetonitrile, 1ml Price on request