EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3865.45-100-AN Solanine Price on request T293295 delta 9-Tetrahydrocannabivarol, 5mg Price on request 9444.11-100 Tokuthion, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 344643-46-4 Price on request