CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2312.12-100 Isoproturon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 34123-59-6 Price on request 1553.23-K-IO n-Tricosane-d48, 1000µg/ml in IO, 1ml Price on request 9096.9-100-IO Cinnamic aldehyde, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104-55-2 Price on request