Aziprotryne, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 680845 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 30078 EPA Method 548.1 Internal Standard Price on request 9490.20-1G 2-Ethylhexyldiphenylphosphate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1241-94-7 Price on request 71161 4,4’-Methylenedianiline Price on request