Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1090.14-K-IO 9-Methylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2523-37-7 Price on request 1088.20-100-TX10 Benzo[a]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 63466-71-7 Price on request 679456 2,4'-DDD, 100 µg/ml, Methanol, 1ml Price on request