Category:Organic CRM > ASTM Methods > ASTM D6160 Ref Num: FC528504 Full Name: ASTM Method D6160: Arochlor 1221 [CAS:11104-28-2] 35ug/ml in Iso-octane Shelf Life on Ship Date: 24 Months - Store in a refrigerator at temperatures between 2°C to 8°C Vol.: 1 ml