4-Bromo-7-chloro-1H-indazole CAS 1186334-61-1
| CAS No. | 1186334-61-1 |
| Molecular Formula | C7H12BrClN2 |
| Molecular Weight | 239.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-7-chloro-1H-indazole (CAS 1186334-61-1), molecular formula C7H12BrClN2 and molecular weight 239.54 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, chlorine/bromine substitution, 4-Bromo-7-chloro-1H-indazole is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 239.54 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-Bromo-7-chloro-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 | C7H12BrClN2 |
| Molecular Weight | 239.54 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-Bromo-5-chloro-1H-indazole (CAS 1056264-74-4)
- 5-Bromo-7-chloro-1H-pyrrolo[2,3-c]pyridine (CAS 1198096-48-8)
- 6-bromo-5-chloroimidazo[1,2-a]pyridine (CAS 1352898-81-7)
- 8-bromo-5-chloroimidazo[1,5-a]pyridine (CAS 1427324-31-9)
- 7-bromo-4-chloropyrazolo[1,5-a]pyridine (CAS 1427375-34-5)
- 5-bromo-4-chloropyrazolo[1,5-a]pyridine (CAS 1427415-74-4)
- 4-bromo-7-chloropyrazolo[1,5-a]pyridine (CAS 1427419-42-8)
- 1-(3-bromo-5-chlorophenyl)ethan-1-one (CAS 154257-85-9)
Recommended Standards
- 3,4,6-Trichloro-2-propylphenol (CAS 55538-73-3)
- 1-(2,4,6-Trichlorophenyl)propan-2-ol (CAS 2228138-85-8)
- 1,3,5-Trichloro-2-propoxybenzene (CAS 1881322-19-5)
- 1,2,3-Trichloro-4-propoxybenzene (CAS 1881289-15-1)
- Benzyl isobutyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)carbamate (CAS 2377607-21-9)
- Phenoperidine Hydrochloride (CAS 3627-49-4)
- 3-Bromo-4,5-dihydro-1,2-oxazole-5-carbonitrile (CAS 1241953-58-1)
- 1-(Piperazin-1-yl)propan-2-amine (CAS 77029-60-8)
- 5-Chloro-2-hydrazinylpyridine hydrochloride (CAS 1375477-10-3)
- N-(4-chlorophenyl)-4-(1-methyl-6-(methylamino)-3,5-dinitro-1,4-dihydropyridin-2-yl)piperazine-1-carboxamide (CAS 339020-75-6)
- (S)-2-(2-(1H-Indol-3-yl)acetamido)-3-methylbutanoic acid (CAS 57105-42-7)
- Avatrombopag Impurity 122 (CAS CATO-C4X-2234122)
- 3-Iodo-N-methylquinolin-6-amine (CAS 1823870-46-7)
- Retatrutide (CAS 2381089-83-2)
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