1,1-Difluoroethane, 20mg/mL in MeOH, 1ml Back Catalog number: 34411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0975.27-10-IO d4 C27 alpha alpha alpha (20R)-Cholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-74-4 Price on request 6164-3-06:5G 1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g Price on request 59340 Perchlorate Level 2 Price on request