4-Nitroquinoline-1-oxide Back Catalog number: X9147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0452.3-150-CYX5 GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. Price on request 31070 EPA Method 502/524 Surrogate Standard #3, 2000µg/ml in MeOH, 1ml Price on request 59804 TOC Calibration Standard (C) Price on request