CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 21016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72402 Metoprolol, 1000µg/ml in MeOH, 1ml Price on request 11212-100MG POE (14) Nonylphenol,neat,neat,100mg, Price on request 676077 Cannabigerol, 1000 µg/ml, Methanol, 1ml Price on request