PAH standard, 100µg/ml in methylene chloride, 1ml Back Catalog number: 93013 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 9016.4-K-DC N-Nitrosopyrrolidine-d8, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 1219802-09-1 Price on request 2941.9-100-IO Endosulfan-I-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203645-57-2 Price on request 673420 Propargite, 10.0 µg/ml, Acetonitrile, 10ml Price on request