Method 1640 Tuning Standard Back Catalog number: 52147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3880.8-K-ME 2-Ethylhexanoic acid-d15, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 352431-38-0 Price on request 71312 2-(2-Ethoxyethoxy)ethanol Price on request 70314 Diphenylamine Price on request