Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFECHS Availability: In the manufacturer's stock Price on request - + Recommended L20915000CY Perylene, 10µg/ml in Cyclohexane, 10ml Price on request 40002R EPA Method 601 - Purgeables Mix #2 Price on request 0976.29-100-IO d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 1ml Price on request