Heptakis(2,3,6-tri-O-benzoyl)-beta-cyclodextrin CAS 23666-43-5
| CAS No. | 23666-43-5 |
| Molecular Formula | C189H154O56 |
| Molecular Weight | 3321.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Heptakis(2,3,6-tri-O-benzoyl)-beta-cyclodextrin (C189H154O56) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Heptakis(2,3,6-tri-O-benzoyl)-beta-cyclodextrin (CAS 23666-43-5), molecular formula C189H154O56 and molecular weight 3321.21 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Heptakis(2,3,6-tri-O-benzoyl)-beta-cyclodextrin meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C189H154O56 |
| Molecular Weight | 3321.21 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 113.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Heptakis Standards
- Heptakis(2,3-di-O-acetyl-6-O-tert-butyldimethylsilyl)cyclomaltoheptaose (CAS 123172-94-1)
- Heptakis(6-O-tert-butyldimethylsilyl)-β-cyclodextrin (CAS 123155-03-3)
- Heptakis(6-deoxy-6-iodo)-beta-cyclodextrin (CAS 30754-23-5)
- Heptakis(2,3,6-tri-O-ethyl)-β-cyclodextrin (CAS 111689-01-1)
- Heptakis-O-(2-Hydroxypropyl)-β-cyclodextrin (CAS 136019-12-0)
- Heptakis-(2,6-di-O-ethyl)-β-cyclodextrin (CAS 111689-03-3)
- Heptakis(2,3,6-tri-O-methyl)-β-cyclodextrin (CAS 55216-11-0)
- Heptakis-O-(4-sulfobutyl)-beta-Cyclodextrin (CAS 165133-56-2)
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- 2,2,2-Trifluoroethyl n-(3-bromophenyl)carbamate (CAS 1087797-98-5)
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