5-Bromo-6-chloro-3-indolyl β-D-glucuronide cyclohexylammonium salt, 97% CAS 144110-43-0
| CAS No. | 144110-43-0 |
| Molecular Formula | C14H13BrClNO7 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-6-chloro-3-indolyl β-D-glucuronide cyclohexylammonium salt, 97% (CAS 144110-43-0), molecular formula C14H13BrClNO7C6H13N and molecular weight 521.79 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5-Bromo-6-chloro-3-indolyl β-D-glucuronide cyclohexylammonium salt, 97% (C14H13BrClNO7C6H13N) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H13BrClNO7 C6H13N |
| Molecular Weight | 521.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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