WS Formaldehyde Back Catalog number: 38195 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-0230-100AN5 Atrazin, 100μg/ml in Acetonitrile, 5ml Price on request 676413 D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml Price on request 0419.16-150-CY n-Hexadecane, ?13C: - 33.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 544-76-3 Price on request