Valeraldehyde, 1000µg/ml in Water, 1ml Back Catalog number: 71767 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15123000 4-Methyl-2-pentanone, certified, 1ml Price on request 95484 PCB Congeners Mix #1 Price on request 59366 UV 254 Absorbance Price on request