Calibration Standard Kit Back Catalog number: 53090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0450.7-10MG 2,3,5-Trimethylthiophene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1795-04-6 Price on request MI527-25 Powder reagents for iodine (25 tests). Contains: 25 sachets Price on request 681233 2,5-Diaminotoluene, 100mg Price on request