Calibration Standard Set Back Catalog number: 53042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10006R CLP Semi-Volatiles - Benzidines Price on request 71232 1,2-Dichlorotetrafluoroethane Price on request 1534.20-K-TX5 Perylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1520-96-3 Price on request