4-Hydroxy-2-butanone Back Catalog number: 73685 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L-PFBS Potassium perfluoro-1-butanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 11808.6-K-IP 4-Chlorophenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL, Price on request 57139 Yttrium (Y) Price on request