4-Methylvaleric acid, 250mg Back Catalog number: 680164 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3297.23-K-IO Methyl 13-cis,16-cis,19-cis-docosatrienoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108698-01-7 Price on request 98525 Guaiacol Standard Price on request 93886 8260B Purgeable Internal Standard Price on request