DNPH-Derivatives Mix #1 Back Catalog number: 94579 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C3261.17-K-IO Methyl 9-trans-hexadecenoate, 1000ug/mL in IO, 1ml Price on request 678402 Ethoxyquin, 100 µg/ml, Acetonitrile, 5ml Price on request 19494 EPA Method 524 & 624 - Internal Standard Price on request