RCRA Perchlorate Back Catalog number: 55143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673535 2,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 92051 Phenanthrene Price on request 0610.29-100-IO ß alpha alpha (20R,24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4705-29-7 Price on request