4-Hydroxy-2-butanone Back Catalog number: 73685 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 40007 EPA Method 614.1 - Analytes Price on request 8459.9-100-CY Propanil Price on request 1087.18-K-T Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1718-53-2 Price on request