Laboratory Fortification Standard Back Catalog number: 59172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674611 D7-Benzyldimethyltetradecylammonium chloride, 10mg Price on request BB-1 2-Bromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 72340 1-(2,5-Dichlorophenyl)-3-methylurea Price on request