9H-Carbazole-1-carboxylic acid CAS 6311-19-9
| CAS No. | 6311-19-9 |
| Molecular Formula | C13H9NO2 |
| Molecular Weight | 211.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H9NO2, 9H-Carbazole-1-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 211.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
9H-Carbazole-1-carboxylic acid (CAS 6311-19-9) is a high-purity analytical reference standard with the molecular formula C13H9NO2 and a molecular weight of 211.22 g/mol.
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), 9H-Carbazole-1-carboxylic acid 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 | C13H9NO2 |
| Molecular Weight | 211.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related H Standards
- 9H-Carbazole-2-carboxylic acid (CAS 51094-28-1)
- 9H-Carbazole-3-carboxylic Acid (CAS 51035-17-7)
- Carbazole-1-boronic Acid (CAS 869642-36-4)
- 9H-carbazole-1-carboxamide (CAS 414905-73-0)
- 9H-carbazole-3,6-dicarbonitrile (CAS 57103-03-4)
- 9H-Carbazole-2,7-diol (CAS 341033-42-9)
- 9H-Carbazole-1,8-diamine (CAS 117110-85-7)
- 9H-carbazole-1,6-diamine (CAS 91396-84-8)
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