1,1-Difluoroethane, 1000µg/ml in MeOH, 1ml Back Catalog number: 71916 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2048.7-10K-MEX5 alpha alpha alpha-Trifluorotoluene, Calibration (Surrogate) Standard, 10000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 98-08-8 Price on request 673428 Pymetrozine, 10.0 µg/ml, Acetonitrile, 10ml Price on request 684571 D10-Napropamide, 100 µg/ml, Acetonitrile, 1ml Price on request