Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10167.25-K-IO Pentaethylene glycol mono(p-nonylphenyl) ether isomer mix, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. Price on request C175405 Cannflavin B, 1mg Price on request 0386.12-K-T Carbazole-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 97960-57-1 Price on request