4-Desacetyl-2-debenzoyl-[2,4]-oxol Paclitaxel CAS 159500-49-9
| CAS No. | 159500-49-9 |
| Molecular Formula | C40H47NO13 |
| Molecular Weight | 749.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Desacetyl-2-debenzoyl-[2,4]-oxol Paclitaxel (C40H47NO13) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 749.80 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Desacetyl-2-debenzoyl-[2,4]-oxol Paclitaxel (CAS 159500-49-9), molecular formula C40H47NO13 and molecular weight 749.80 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), 4-Desacetyl-2-debenzoyl-[2,4]-oxol Paclitaxel 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 | C40H47NO13 |
| Molecular Weight | 749.80 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Ketoconazole EP Impurity B (and enantiomer) (CAS CATO-C4X-14722)
- Docetaxel Impurity 47 (CAS 1144034-42-3)
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