4,7-Dibromo-3-iodo-1H-indazole CAS 2383369-85-3
| CAS No. | 2383369-85-3 |
| Molecular Formula | C7H3Br2IN2 |
| Molecular Weight | 401.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 401.82 g/mol gives 4,7-Dibromo-3-iodo-1H-indazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4,7-Dibromo-3-iodo-1H-indazole (CAS 2383369-85-3), molecular formula C7H3Br2IN2 and molecular weight 401.82 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4,7-Dibromo-3-iodo-1H-indazole (C7H3Br2IN2) is characterized by a nitrile group, bromine/iodine substitution, an aromatic ring system. 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 4,7-Dibromo-3-iodo-1H-indazole 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 | C7H3Br2IN2 |
| Molecular Weight | 401.82 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Br/I-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 4,7-Dibromo-3-iodo-1H-pyrrolo[3,2-c]pyridine (CAS 1000341-93-4)
- 5,7-Dibromo-3-iodo-1H-indazole (CAS 1131632-64-8)
- 5,6-Dibromo-2-iodo-1H-benzoimidazole (CAS 885270-95-1)
- 1,3-Dibromo-2-difluoromethoxy-5-(trifluoromethylthio)benzene (CAS 1803715-33-4)
- 1,2-Dibromo-3-difluoromethoxy-5-(trifluoromethylthio)benzene (CAS 1803775-20-3)
- 1,5-Dibromo-3-difluoromethoxy-2-(trifluoromethylthio)benzene (CAS 1803775-27-0)
- 1,4-Dibromo-2-difluoromethoxy-5-(trifluoromethylthio)benzene (CAS 1803835-13-3)
- 1,2-Dibromo-4-difluoromethoxy-5-(trifluoromethylthio)benzene (CAS 1804937-85-6)
Recommended Standards
- 4-(4-Chlorophenoxy)-2-(4-fluorophenyl)-5-(morpholin-4-yl)-2,3-dihydropyridazin-3-one (CAS 478066-76-1)
- 3-[(5-chloro-2,4-dimethoxyphenyl)sulfamoyl]-4-methoxybenzoic acid (CAS 721893-22-7)
- Methyl 2-(3-(2-chlorobenzyl)-5-cyano-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)thiophene-3-carboxylate (CAS 343374-95-8)
- 2,4,6-Tris(4-methoxyphenyl)-1,3,5,2,4,6-trioxatriborinane (CAS 7294-51-1)
- 1-(3-Fluorophenyl)-3-oxocyclohexanecarbonitrile (CAS 1956331-06-8)
- (2E)-N-[(4-Chlorophenyl)methyl]-3-{4-[(2,4-dichlorophenyl)methoxy]phenyl}prop-2-enamide (CAS 477888-78-1)
- N-(4-Bromophenyl)quinazolin-4-amine (CAS 81080-04-8)
- H-Lys-Glu-Gly-OH (H-4105.0250) (CAS 57866-06-5)
- 3-bromo-1-(4-bromo-2,6-dimethylphenyl)piperidin-2-one (CAS 1463923-21-8)
- 1-(5-Methoxy-1,3-dimethyl-1h-pyrazol-4-yl)-N-((4-methyl-4h-1,2,4-triazol-3-yl)methyl)methanamine (CAS 1258746-62-1)
- N-phenyl-1H-imidazol-2-amine (CAS 54707-87-8)
- n-(4-Bromo-2-methylphenyl)-5,6-dihydro-1,4-dioxine-2-carboxamide (CAS 923111-80-2)
- N-{3-[(2-Bromoacetyl)amino]-2-methylphenyl}cyclopropanecarboxamide (CAS 1138443-78-3)
- Neuropeptide Y (3-36) (porcine) trifluoroacetate salt (CAS 143863-88-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com