PEG-PPG-PEG, STABILIZED WITH 100 PPM BHT, BIOREAGENT, SUITABLE FOR CELL CULTURE CAS:9003-11-6 952175 POLY(L-LACTIDE), MEDICAL GRADE, ESTER TERMINATED, AVERAGE M.W. 15,000 - 30,000 CAS:26161-42-2 997006 POLY(L-LACTIDE), MEDICAL GRADE, ESTER TERMINATED, AVERAGE M.W. 30,000 - 55,000 CAS:26161-42-2 907221 |