EPA Method 531.1 - Analytes Back Catalog number: 30042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676498 Pentoxifylline, 100mg Price on request 9001.21-100-ME Progesterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-83-0 Price on request 677918 Novaluron, 10.0 µg/ml, Acetonitrile, 10ml Price on request