Tetrachlorvinphos (Stirophos) Back Catalog number: 70265 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2903.20-10MG 17ß-Ethynylestradiol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4717-38-8 Price on request 73935 4-Acetamidoantipyrine, 1000µg/ml in MeOH, 1ml Price on request 71156 Triethylene glycol Price on request