Dibenzothiophene Back Catalog number: 92841 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59811 Hexavalent Chromium (Cr +6) Price on request 54212 Ammonia as (NH4+) Price on request CCZ-3 3-Chloro-9H-carbazole, 1.2ml x 50ug/ml, nonane Price on request