CLP Semi-Volatile Acid Surrogate Standard Back Catalog number: 22015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11990.21-10MG 16alpha-Hydroxyprednisolone,neat,neat,10mg, Price on request 90506 Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml Price on request 70447 1-Naphthylamine Price on request