CAS:9003-53-6 Molecular Formula:[CH2CH(C6H5)]n Molekular na Bigat:2.01588 EINECS:202-851-5 kasingkahulugan:POLYSTYRENE STANDARD 2'000 CERTIFIED ; POLYSTYRENE, BEADS, AVERAGE DIAMETER 0.4 6UM, 10 WT. % DISPERSYON SA TUBIG; MALDI VALIDATION SET POLYSTYRENE MP 500- 70000 CERTIFIED; POLYSTYRENE STANDARD 200'000; Polystyrene standard, para sa GPC, karaniwang MW 2,000,000; Polystyrene standard, para sa GPC, karaniwang MW 4,000; POLYSTYRENE STANDARD 650000 CERTIFIED AC C. TO DIN