Category:Organic CRM > PCB neats and solutions > PCB solutions Ref Num: PCB021K5ZT1 Full Name: PCB 21 [CAS:55702-46-0] 500ug/ml in Iso-octane Shelf Life on Ship Date: 24 Months - Store under normal laboratory conditions, at temperatures between 15°C to 25°C Vol.: 1 ml