1,2-Dichlorotetrafluoroethane Back Catalog number: 33221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73499 1,2,4-Triazole, 1000µg/ml in Acetonitrile, 1ml Price on request 3490.14-100-CY Profluralin Price on request EPA-537IS EPA Method 537 Internal Standard Primary Dilution Standard (IS PDS), 1.2ml, methanol Price on request