Total Residual Free Chlorine (Cl) Back Catalog number: 59427 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32911 1-Methylnaphthalene Price on request 677782 17a-Ethinylestradiol, 100 µg/ml, Methanol, 1ml Price on request 9396.14-K-ME (+/-)-Atenolol-d7 (isopropyl-d7), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7 Price on request