EPA Method 525 - Phthalate Standard Back Catalog number: 31028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83558 o-Tolualdehyde-DNPH, 100µg/ml in Acetonitrile, 1ml Price on request S-4381-K-ME ISO 17353/23161 Internal Standard OC, Stock Solution B 4 Analytes, each 1000µg/mL OC in methanol; units: 5x1mL, 5x5mL Prod.No. Compound CAS No. Weight OCT 2496.14 Di-n-heptyltin dichloride [7434 Price on request 10692.21-K-ME Cannabigerol, 1000µg/ml in MeOH, 1ml Price on request