Tetrachloroethene Back Catalog number: 30451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79336 N-Nitrosodi-n-butylamine, 1000μg/ml in MeOH, 1ml Price on request 3355.11-100 2,4-DB methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18625-12-2 Price on request 673613 alpha-HCH, 10 µg/ml, Ethyl acetate, 10ml Price on request