Heptenophos Back Catalog number: X9231 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDF-1278 1,2,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 66103 2,2',4,5',6-Pentachlorobiphenyl (103) Price on request 10343.20-K-ME Amitriptyline-d3 hydrochloride (N-methyl-d3), 1000µg/ml in MeOH, 1ml Price on request