Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended 680179 1,3-Dichloropropene, 250mg Price on request MI526-100 Powder reagents for free chlorine (100 tests). Contains: 100 sachets Price on request 676961 D4-Cyromazine, 100 µg/ml, Methanol, 1ml Price on request