CLP Semi-Volatile Internal Standard Back Catalog number: 10019R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-2085-100AN1 Ethofumesate 2-keto, 100µg/ml in Acetonitrile, 1ml Price on request 678380 4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Price on request 674949 Anhydroerythromycin A, 2,5mg Price on request