Patent Blue V, certified, 0.25g Back Catalog number: C15895900 Availability: In the manufacturer's stock Price on request - + Recommended 31382 EPA Method 507 Nitrogen Phosphorus Pesticides Price on request 93679 Pesticide Standard, varied µg/mL in Acetone, 1ml Price on request 10396.21-50-ME (-)-delta-9-THC-acid-13C4 Price on request