1,4-Pentadiene Back Catalog number: 71625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71767 Valeraldehyde, 1000µg/ml in Water, 1ml Price on request 8484.15-K-ME Metoprolol (free base), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 51384-51-1 Price on request 71492 1,3-Butadiene Price on request