tert-Butyl 3,6-dibromo-9H-carbazole-9-carboxylate CAS 161992-35-4
| CAS No. | 161992-35-4 |
| Molecular Formula | C17H15Br2NO2 |
| Molecular Weight | 425.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution, tert-Butyl 3,6-dibromo-9H-carbazole-9-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 425.11 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).
tert-Butyl 3,6-dibromo-9H-carbazole-9-carboxylate (CAS 161992-35-4), molecular formula C17H15Br2NO2 and molecular weight 425.11 g/mol, is a CATO reference standard with documented purity and traceability.
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), tert-Butyl 3,6-dibromo-9H-carbazole-9-carboxylate 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 | C17H15Br2NO2 |
| Molecular Weight | 425.11 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- BTZ2F8-2Br (CAS 1393528-97-6)
- BTZ2F26-2Br (CAS 1916476-35-1)
- 3-(2,6-Dichlorophenyl)-5-[(E)-2-[(3,5-dichlorophenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile (CAS 338402-65-6)
- tert-Butyl 2,7-dibromo-9H-carbazole-9-carboxylate (CAS 957753-85-4)
- 2,2,2-Trifluoro-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-2H-pyridin-1-yl]ethanone (CAS 878805-74-4)
- 2-Chloro-2,2-difluoro-1-(naphthalen-1-yl)ethan-1-one (CAS 1352209-82-5)
- 6-Bromo-3-methylisochroman-1-one (CAS 1374357-85-3)
- N-((5-methylfuran-2-yl)methyl)-2-morpholinoethan-1-amine (CAS 626209-63-0)
- N-Nitroso Nafamostat impurity 124 HCl (CAS CATO-C4X-1332124)
- Sumatriptan EP Impurity G (CAS 2074614-56-3)
- 2-Morpholino-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinonitrile (CAS 1356068-62-6)
- 2-(4,5,6-Trimethylpyridin-2-yl)ethan-1-amine (CAS 1263057-69-7)
- methyl 5-bromo-4-fluoro-thiophene-2-carboxylate (CAS 395664-59-2)
- Tirzepatide Impurity 50 (CAS CATO-C4X-324050)
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