Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFECHS Availability: In the manufacturer's stock Price on request - + Recommended 30164 High Conc VOC Mix #7 (No Vinyl Chloride) Price on request 74301 4-Methyl-1H-benzotriazole, 1000µg/ml in MeOH, 1ml Price on request 684116 alpha-Amylcinnamaldehyde, 250mg Price on request