Pricing Availability Delivery Time Qty
Cat.No. 0708 - Hydroxypropyl-b-cyclodextrin | (C6H9O5)7(C3H7O)n | CAS No. 128446-35-5
Description: Solubilization agent
Alternative Names: HBC, Hydroxypropyl-β-cyclodextrin
Citations (1)

Biological Activity

The most widely used modified cyclodextrin, the lipophilic cavity formed by 7 glucose units. Drug solubility in water is greatly enhanced by complexing with HBC.

Technical Data

M. Wt 1400
Formula (C6H9O5)7(C3H7O)n
Storage Store at RT
CAS Number 128446-35-5
PubChem ID 44134771
Smiles O[C@@H]1[C@H]8C(COCC(C)O)O[C@H](O[C@H](C(COCC(C)O)O[C@H](O[C@H]3[C@H](O)[C@H](O)[C@@H](O[C@H](C(COCC(C)O)O[C@H](O[C@@H]5C(O)C(O)[C@H](O[C@@H]6C(O)C(O)[C@H](O[C@H](C(COCC(C)O)O[C@H](O8)[C@H]7O)[C@H]7O)O[C@@H]6COCC(C)O)O[C@@H]5COCC(C)O)[C@H]4O)[C@@H]4O)OC3COCC(C)O)[C@H]2O)[C@H]2O)[C@H]1O

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
water 140 100

Preparing Stock Solutions

The following data is based on the product molecular weight 1400. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 0.71 mL 3.57 mL 7.14 mL
5 mM 0.14 mL 0.71 mL 1.43 mL
10 mM 0.07 mL 0.36 mL 0.71 mL
50 mM 0.01 mL 0.07 mL 0.14 mL

Molarity Calculator

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*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

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Dilution Calculator

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Product Datasheets

Certificate of Analysis / Product Datasheet
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Safety Datasheet


References are publications that support the products' biological activity.

Frijlink (1991) The effects of cyclodextrins on the disposition of intravenously injected drugs in the rat. Pharm.Res. 8 380 PMID: 2052529

Pitha et al (1986) Hydroxypropyl-β-cyclodextrin: preparation and characterisation; effects on solubility of drugs. Int.J.Pharmacol. 29 73 PMID:

If you know of a relevant reference for 2-Hydroxypropyl-β-cyclodextrin, please let us know.

View Related Products by Target

Keywords: Hydroxypropyl-b-cyclodextrin, supplier, Solubilization, agent, Reagents, cyclodextrin, Hydroxypropyl-beta-cyclodextrin, Hydroxypropyl-β-cyclodextrin, HBC, Hydroxypropyl-b-cyclodextrin, Biochemicals, and, Molecular, Biology, Biochemicals, and, Molecular, Biology, Tocris Bioscience

1 Citation for 2-Hydroxypropyl-β-cyclodextrin

Citations are publications that use Tocris products. Selected citations for 2-Hydroxypropyl-β-cyclodextrin include:

Johnson et al (2012) Orexin 1 receptors are a novel target to modulate panic responses and the panic brain network. Proc Natl Acad Sci U S A 107 733 PMID: 22554617

Do you know of a great paper that uses 2-Hydroxypropyl-β-cyclodextrin from Tocris? If so please let us know.

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