Aliphatic Hydrocarbon Calibration #4 Back Catalog number: 93906 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3655.20-5MG trans-Crocetine, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 27876-94-4 Price on request 95552 Aroclor 1221 Price on request 2292.9-1G 4-Methylphthalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4316-23-8 Price on request