4-Hydroxy-2-butanone Back Catalog number: 73685 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4502-100IO-KIT Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request DF-IS-J20 Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request 10752.24-10MG 5F-APICA N-(4-hydroxypentyl) metabolite Price on request