Internal Standard for AB SIM Back Catalog number: 94516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended E649952 Erythromycin-13C,d3, 1mg Price on request 1869.8-K-CY 1,1-Dimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 590-66-9 Price on request 54124 Total Residual Free Chlorine (Cl) Price on request