9-(4-Bromonaphthalen-1-yl)-9H-carbazole CAS 257288-83-8
| CAS No. | 257288-83-8 |
| Molecular Formula | C22H14BrN |
| Molecular Weight | 372.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9-(4-Bromonaphthalen-1-yl)-9H-carbazole (CAS 257288-83-8) is a high-purity analytical reference standard with the molecular formula C22H14BrN and a molecular weight of 372.26 g/mol.
Based on its molecular formula C22H14BrN, 9-(4-Bromonaphthalen-1-yl)-9H-carbazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 372.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 9-(4-Bromonaphthalen-1-yl)-9H-carbazole 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 | C22H14BrN |
| Molecular Weight | 372.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromonaphthalen Standards
- 1-((4-Bromonaphthalen-1-yl)sulfonyl)-4-methylpiperazine (CAS 312525-99-8)
- 2-((6-Bromonaphthalen-2-yl)oxy)-N-(2-cyano-3-methylbutan-2-yl)acetamide (CAS 875857-09-3)
- 1-((5-Bromonaphthalen-1-yl)sulfonyl)imidazolidine-2,4-dione (CAS 113699-47-1)
- 1-((4-Bromonaphthalen-1-yl)sulfonyl)-4-methylpiperidine (CAS 364623-38-1)
- 5-(6-Bromonaphthalen-2-yl)-2,2-dimethyl-5-nitro-1,3-dioxane (CAS 1225347-07-8)
- 1704121-09-4 1-((4-Bromonaphthalen-1-yl)sulfonyl)-4-ethylpiperazine MFCD28805629 (CAS 1704121-09-4)
- Methyl 5-(((1-bromonaphthalen-2-yl)oxy)methyl)furan-2-carboxylate (CAS 832738-12-2)
- 2-(4-Bromonaphthalen-1-yl)-1,10-phenanthroline (CAS 1853997-27-9)
Recommended Standards
- 7,8-Difluoro-3-(methoxymethoxy)naphthalen-1-yl trifluoromethanesulfonate (CAS 2621935-34-8)
- 9-Bromo-7-phenyl-7H-benzo[c]carbazole (CAS 357572-67-8)
- 6-Bromo-3-(((2-methoxyphenyl)(methyl)amino)methyl)naphthalen-2-ol (CAS 248251-86-7)
- N-[(1Z)-(Dimethylamino)methylidene]-2,5-bis(2,2,2-trifluoroethoxy)benzamide (CAS 338394-05-1)
- Tert-butyl 6,6-difluoro-2-azabicyclo[3.1.0]hexane-2-carboxylate (CAS 1384429-58-6)
- (Z)-3-Bromobenzaldehyde Oxime (CAS 51873-95-1)
- tert-Butyl (4-amino-3-fluorophenyl)carbamate (CAS 1402559-21-0)
- H-CHG-OH HCl (CAS 191611-20-8)
- 3-((3-(4-Fluorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)pentane-2,4-dione (CAS 862980-38-9)
- Diethyl 2-(cyclopropylmethyl)malonate (CAS 37092-86-7)
- Sodium 2-chloro-4-fluorobenzoate (CAS 855471-43-1)
- 2-Fluoro-4-(phenoxycarbonylamino)benzeneboronic acid pinacol ester, 97% (CAS 1245252-62-3)
- N-benzyl-3-chloropyrazin-2-amine (CAS 53265-33-1)
- ([D2]Gly4)-Cholecystokinin Octapeptide (sulfated) ammonium salt (CAS 1926163-74-7)
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