Heptakis(6-O-tert-butyldimethylsilyl)-β-cyclodextrin CAS 123155-03-3
| CAS No. | 123155-03-3 |
| Molecular Formula | C84H168O35Si7 |
| Molecular Weight | 1934.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of Heptakis(6-O-tert-butyldimethylsilyl)-β-cyclodextrin (C84H168O35Si7) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
Heptakis(6-O-tert-butyldimethylsilyl)-β-cyclodextrin (CAS 123155-03-3), molecular formula C84H168O35Si7 and molecular weight 1934.81 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Heptakis(6-O-tert-butyldimethylsilyl)-β-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 | C84H168O35Si7 |
| Molecular Weight | 1934.81 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1992 |
Related Heptakis Standards
- 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)
- Heptakis(2,3-di-O-acetyl-6-O-tert-butyldimethylsilyl)cyclomaltoheptaose (CAS 123172-94-1)
- Heptakis-(6-azido-6-deoxy)-beta-Cyclodextrin (CAS 53958-47-7)
Recommended Standards
- Sugammadex Impurity 50 (CAS 2379877-88-8)
- Fibrinogen g-Chain (117-133) (H-2506.0001) (CAS 160927-63-9)
- BTR-Cl (CAS 2410661-17-3)
- Sugammadex Impurity Org198786-1 (CAS CATO-C4X-190619)
- 2-(Benzo[d][1,3]dioxol-5-yl)-8-methylquinoline-4-carboxylic acid (CAS 932796-11-7)
- 1-(2-Amino-5-chlorophenyl)-2-chloroethanone (CAS 64605-36-3)
- 2-(((4-Chlorophenyl)thio)difluoromethyl)-1,3,4-oxadiazole (CAS 1403566-03-9)
- (Hexahydropentalen-3a(1H)-yl)boronic acid (CAS 52318-92-0)
- 2-(1-((Ethylthio)methyl)cyclopropyl)acetic acid (CAS 1462394-55-3)
- N,N-Diethyl-2-[4-[1-(4-Fluorophenyl)-2-Phenylethenyl]Phenoxy]Ethanamine (CAS 110465-94-6)
- Risperidone Impurity 20 (CAS 1172297-96-9)
- 5-(Methylsulfonyl)-1-(naphthalen-1-yl)-1H-tetrazole (CAS 329211-16-7)
- Eltrombopag Impurity 26 (CAS CATO-C4X-119826)
- [3,5 Diiodo-Tyr7] Peptide T (CAS 128551-40-6)
Why CATO?
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