Internal Standard Back Catalog number: 90396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1350.1-1ML Chloroform, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 67-66-3 Price on request 53031 Spike Sample Standard 3 Price on request 70020 Aroclor 1254 Price on request