VPH Primary Calibration Spike Rev 1.0 Back Catalog number: 92109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8541.19-1G Hexadecyltrimethylammonium chloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 112-02-7 Price on request 90421 Allyl chloride Price on request 676837 Ipronidazole-hydroxy, 10mg Price on request