3,6-Dibromo-9-(3,5-dimethylphenyl)-9H-carbazole CAS 1873364-08-9
| CAS No. | 1873364-08-9 |
| Molecular Formula | C20H15Br2N |
| Molecular Weight | 429.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,6-Dibromo-9-(3,5-dimethylphenyl)-9H-carbazole.
3,6-Dibromo-9-(3,5-dimethylphenyl)-9H-carbazole (CAS 1873364-08-9), molecular formula C20H15Br2N and molecular weight 429.15 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,6-Dibromo-9-(3,5-dimethylphenyl)-9H-carbazole (C20H15Br2N) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 429.15 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 3,6-Dibromo-9-(3,5-dimethylphenyl)-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 | C20H15Br2N |
| Molecular Weight | 429.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromo Standards
- 3,6-Dibromo-9-(3,4-dimethylphenyl)-9H-carbazole (CAS 1786404-06-5)
- 3,6-Dibromo-9-(2,4-dimethylphenyl)-9H-carbazole (CAS 1873362-96-9)
- 3,5-Dibromo-2-(4-(4-fluorophenyl)piperazin-1-yl)aniline (CAS 1706463-31-1)
- 5,6-Dibromo-2-(4-hydroxy-2-methylphenyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione (CAS 1217674-07-1)
- 5,7-Dibromo-2-(4-chlorobenzoyl)-3-methyl-1-benzofuran (CAS 303145-23-5)
- 3,5-Dibromo-2-iodobenzotrifluoride (CAS 1027512-22-6)
- 2,6-Dibromo-1-iodo-4-(trifluoromethyl)benzene (CAS 1428234-52-9)
- 1,4-Dibromo-2,5-bis[2-(trimethylsilyl)ethynyl]benzene (CAS 478190-79-3)
Recommended Standards
- 2,4-dichlorophenyl 4,5,6,7-tetrafluoro-2-methylbenzo[b]furan-3-sulphonate (CAS 256329-74-5)
- Entacapone impurity 41 (CAS CATO-C4X-162941)
- Oxiconazole USP Related Compound A (CAS 76472-50-9)
- Opicapone Impurity 41 (CAS CATO-C4X-240441)
- 2-Amino-N-cyclopropyl-3-methyl-N-((S)-1-methylpyrrolidin-3-yl)butanamide (CAS 1354032-68-0)
- Azido-PEG4-4-nitrophenyl carbonate (CAS 1422540-98-4)
- 5-(Fluorosulfonyl)-2-methoxybenzoic acid (CAS 2488-50-8)
- 4'-Methoxypropiophenone-d2 (CAS 91889-35-9)
- 2-(4-Methoxyphenyl)butanal (CAS 50838-58-9)
- 3-(tert-Butyldimethylsilyl)morphinone (1.0mg/ml in Acetonitrile) (CAS 91265-75-7)
- Felodipine Impurity 14 (CAS 95306-64-2)
- n-((1,2,3-Thiadiazol-4-yl)methyl)-3-methylaniline (CAS 1156893-27-4)
- 3-(2-Hydroxyethyl)-2,7-dimethyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 84946-18-9)
- Semaglutide Impurity 184 (CAS CATO-C4X-2226184)
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