Pyrene Back Catalog number: X9186 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50664 Manganese (Mn) Price on request 1072.18-K-IO n-Dodecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1795-17-1 Price on request 9209.15-100-MEX5 O-Desmethyl tramadol hydrochloride , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. Price on request