PAH Standard Back Catalog number: 92512 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2539.8-K-ME 4-Hydroxyisophthalic acid (4-Hydroxybenzene-1,3-dicarboxylic acid), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 636-46-4 Price on request 1818.10-1G 4-Cyclohexylbutyric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4441-63-8 Price on request 50700A IC Standard 1B Price on request