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Functional groups of main cyclodextrins used in the pharmaceutical industry
| Cyclodextrin | Functional group |
|---|---|
| α-Cyclodextrin (α-CD) | H4 |
| β-Cyclodextrin (β-CD) | H5 |
| γ-Cyclodextrin (γ-CD) | H6 |
| Diethyl-ethyl-β-cyclodextrin (DE-β-CD) | CH2CH3 or H |
| Dimethyl-ethyl-β-cyclodextrin (DM-β-CD) | CH3 or H |
| Hydroxypropyl-β-cyclodextrin (HP-β-CD) | CH2CH0HCH3 or H |
| Hydroxypropyl-γ-cyclodextrin (HP-γ-CD) | CH2CH0HCH3 or H |
| Methyl-β-cyclodextrin (M-β-CD) | CH3 or H |
| Sulfobutylether-β-cyclodextrin (SBE-β-CD) | (CH2)4SO3Na or H |
