1,2-Epoxybutane Back Catalog number: 70429 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96885 EPA Method 539Mix #2 Price on request 2087.6-K-ME 4-Nitrophenol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 100-02-7 Price on request 72300 2-Chlorobenzaldehyde Price on request