14-β-Hydroxy-7-O-(triethylsilyl) Baccatin III 1,14-Carbonate CAS 186347-84-2
| CAS No. | 186347-84-2 |
| Molecular Formula | C38H50O13Si |
| Molecular Weight | 742.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
14-β-Hydroxy-7-O-(triethylsilyl) Baccatin III 1,14-Carbonate (CAS 186347-84-2), molecular formula C38H50O13Si and molecular weight 742.88 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 14-β-Hydroxy-7-O-(triethylsilyl) Baccatin III 1,14-Carbonate is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 742.88 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 14-β-Hydroxy-7-O-(triethylsilyl) Baccatin III 1,14-Carbonate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C38H50O13Si |
| Molecular Weight | 742.88 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2010 |
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Why CATO?
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