1,4-Butanediol Back Catalog number: 97478 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97633 VOC Standard Price on request 10379.25 d-Norpropoxyphene maleate Price on request 2330.10-K-HX 1,3-Dimethyl-2-ethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 2870-04-4 Price on request