VPH Primary Calibration Rev 1.1 Back Catalog number: 97386 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10900.17-100MG Promethazine hydrochloride,neat,neat,100mg Price on request 70861 Thiophanate methyl Price on request 679886 3,3'-Dichlorobenzidine, 100 µg/ml, Acetonitrile, Price on request