EPA 1620 Standard 4 Back Catalog number: 53142 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2217.16-100-IO 1-Nitropyrene-d9, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93487-20-8 Price on request 679033 Dimethachlor Metabolite CGA 102935, 10mg Price on request 93723 2-Deoxy-D-ribose Price on request