Alcohol Tox Screen Conc Back Catalog number: 96650 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 70220 MGK-264 Price on request 684163 D6-Mecoprop, 100 µg/ml, Acetonitrile, 1ml Price on request