EPA Method 521 Nitrosamines Back Catalog number: 95327 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9852.9 (+/-)-Cathinone hydrochloride-d3, , Solvent-, Unit , # of units-, Cas.no. Price on request TPP Triphenyl phosphate, 1.2ml x 50ug/ml, toluene Price on request 2125.12-100-IOX10 Arochlor 1221 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2 Price on request