Internal Std., 4000µg/ml Methylene Chloride, 1ml Back Catalog number: 10009 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 66127 3,3',4,5,5'-Pentachlorobiphenyl (127) Price on request 3H138 2,2',3',4,4',5-Hexachloro-3-biphenylol, 1.2ml x 50ug/ml, nonane Price on request 679337 Sotalol hydrochloride, 100mg Price on request