Total Residual Free Chlorine Back Catalog number: 59620 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9321.14-K-ME Diclofenac-d4 (phenyl-d4), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 153466-65-0 Price on request 675709 6-Methylchrysene, 10.0 µg/ml, Acetonitrile, 10ml Price on request 1279.30-100-AN Lanosterol, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 79-63-0 Price on request