CAS:9003-53-6 Molecular Formula:[CH2CH(C6H5)]n Molecular Luj:2.01588 ib EINECS:202-851-5 Synonyms:POLYSTYRENE Standard 2,000 Certificate; POLYSTYRENE, BEADS, AVERAGE DIAMETER 0.4 6UM, 10 WT. % PAUB PIAV RAU dej; MALDI VALIDATION SET POLYSTYRENE MP 500- 70000 CERTIFIED; POLYSTYRENE Standard 200'000; Polystyrene tus qauv, rau GPC, raug MW 2,000,000; Polystyrene tus qauv, rau GPC, raug MW 4,000; POLYSTYRENE Standard 650000 Certificate AC C. TO DIN