Mixture of (-)-Angustifoline and Isoangustifoline Back Catalog number: A637890 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: 2 weeks Price on request - + Recommended 95227 EPA Method 525 Internals & Surrogates Price on request 50161 Copper and Manganese Price on request 66016 PCB No. 16, 100µg/ml in Isooctane, 1ml Price on request