Tetrachlorvinphos (Stirophos) Back Catalog number: 70265 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-537IS EPA Method 537 Internal Standard Primary Dilution Standard (IS PDS), 1.2ml, methanol Price on request MBRP-35 3,5-Dibromo[13C6]phenol, 1.2ml x 100ug/ml, toluene Price on request 79534 cis-Nonachlor Price on request