POLYMIXIN B SULFATE, USP GRADE CAS:1405-20-5 Formula: C55H96N16O13 · 2H2SO4 25MU 1385.61 1.2146e+006 POLYSTYRENE MW 125,000-250,000 ATACTIC BEADS CAS:9003-53-6 Formula: [CH2CH(C6H5)]n 100g 1.21238e+006 |