Internal Standard Back Catalog number: 96651 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2586.30-K-IO m-Quinquiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16716-13-5 Price on request 673061 Chlorhexidine dihydrochloride, 250mg Price on request NK-IS-J4 Internal Standard Solution, 1.2ml, nonane Price on request