Method 508 Calibration Standard Back Catalog number: 94877 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0665.30-100-IO alpha alpha alpha (24R)-4 alpha-Methyl-24-ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53596-90-0 Price on request 11772.12-100-IO 2,2',3,3',5,5',6,6'-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request N-12395-1G Methanol, 1g Price on request