Pyrene Back Catalog number: 79038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10225.10-100-ME iso-Propyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-72-7 Price on request 9773.23 Zolpidem hemitartrate, , Solvent-, Unit , # of units-, Cas.no. 99294-93-6 Price on request 83535 4-Nitrophenol Price on request