PAH IS/S Standard, 4000µg/ml in MeChl., 1ml Back Catalog number: 95280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50630 Ammonia as (NH4+) Price on request 3771.6-K-IO 2,3-Dimethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 5910-89-4 Price on request 682753 Propylbenzene, 1000mg Price on request