Urethane, 1000µg/ml in MeOH, 1ml Back Catalog number: 70421 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0218.17-200-T 11H-Benzo[b]fluorene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 243-17-4 Price on request 58011 Sodium (Na) Price on request 15900-1355-10AN10 Demeton-S-methyl-sulfone, 10µg/ml in Acetonitrile, 10ml Price on request