Siduron Back Catalog number: 70833 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3750.6-K-IO 1,2,3,4-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml Price on request 10684.12-100-IO 2,3',5',6-Tetrachlorobiphenyl Price on request 1570.34-25MG Pseudomorphine (free base), neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 125-24-6 Price on request