trans-1,4-Dichloro-2-butene Back Catalog number: 70486 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94223 Volatile Standard Price on request 9913.4-K-ME N-Nitropiperazine, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no. Price on request 677593 Di-n-butylamine, 1000mg Price on request