Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2092.13-K-IP 2,4-Dibromophenol-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. Price on request 685064 epsilon-HCH, 10.0 µg/ml, Acetonitrile, 1ml Price on request 3623.20-10MG 17 alpha-Ethynylestradiol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57-63-6 Price on request