CLP Calibration Std. I Back Catalog number: 53149 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 98737 n-Hexadecane Price on request 30196 EPA Method 532 Standard Price on request