Polyethylene Glycol (PEG) 1450 (ATCC® 50-X)

Product Format freeze-dried 5 x 2 gm vials
Storage Conditions At the ATCC, PEG-1450 is stored at 2°C to 8°C, but the reagent may be stored at room temperature.
This reagent is used to assist fusion of myeloma and spleen cells to form hybridomas. 

PEG-1450 is packaged as 2 gram aliquots in amber vials that protect the product from light. PEG is undiluted and is a white solid. It is supplied sterile and pretested for cytotoxicity.

Molecular Weight 1300-1600
Biosafety Level 1

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Quality Control Specifications Each lot is tested for bacterial and fungal contamination. Cytotoxicity testing is performed on NS-1 cells at a 40% w/v concentration. Cells must remain greater than 80% viable after exposure to PEG.