Product Name: Hydroxypropyl Beta Cyclodextrin INCI Name: HYDROXYPROPYL CYCLODEXTRIN Molecular Formula: C63H112O42 Molecular Weight: 1541.54 Appearance: White to slightly yellow powder Purity: 99% CAS NO.: 128446-35-5 EINECS No.: 420-920-1 Supplier: ZHENYIBIO 2-Hydroxypropyl-�²-cyclodextrin (HBC) is a widely used modified cyclodextrin, the lipophilic cavity formed by 7 glucose units.