trans-1,4-Dichloro-2-butene Back Catalog number: 70486 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4035-10K-10IO Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules Price on request 52141 EPA 1620 Standard 3 Price on request 9497.13-100-ME Propyphenazone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 479-92-5 Price on request