Method 1640Mix A Back Catalog number: 52146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679114 Pentachloroaniline, 10.0 µg/ml, Cyclohexane, 10m Price on request 71126 Formic acid, 1000µg/ml in Water, 1ml Price on request 73216 Hydrocodone Price on request