CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674044 Celiprolol, 50mg Price on request 677999 Ethoprophos, 100 µg/ml, Toluene, 1ml Price on request 1806.12-100-AN 2-Phenylphenol Price on request