5,6-Dibromo-1H-indole-3-carboxylic acid CAS 857809-64-4
| CAS No. | 857809-64-4 |
| Molecular Formula | C9H5Br2NO2 |
| Molecular Weight | 318.95 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 5,6-Dibromo-1H-indole-3-carboxylic acid.
5,6-Dibromo-1H-indole-3-carboxylic acid (CAS 857809-64-4) is a high-purity analytical reference standard with the molecular formula C9H5Br2NO2 and a molecular weight of 318.95 g/mol.
Based on its molecular formula C9H5Br2NO2, 5,6-Dibromo-1H-indole-3-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 318.95 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.
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.
CATO manufactures 5,6-Dibromo-1H-indole-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H5Br2NO2 |
| Molecular Weight | 318.95 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 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromo Standards
- 2-(2,6-Dibromo-4-formylphenoxy)acetonitrile (CAS 827591-22-0)
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Recommended Standards
- 4-Bromo-2,3-difluorophenylboronic acid pinacol ester (CAS 2121515-07-7)
- 3-Bromo-2,6-difluorophenylboronic acid pinacol ester (CAS 2121513-51-5)
- 6-Amino-5,7-dibromo-2H-chromen-2-one (CAS 866475-81-2)
- 5-Bromo-2-(3-bromopyridin-2-yl)-2H-1,2,3-triazol-4-amine (CAS 1708168-56-2)
- 2-(tert-Butyl)-3,3-dimethylbutanoic acid (CAS 41785-81-3)
- Isoquinolin-5-ylmethanamine hydrochloride (CAS 1001906-56-4)
- 2,6-Dimethoxy-N-(5-(2-methylpentan-2-yl)isoxazol-3-yl)benzamide (CAS 82558-70-1)
- Esaxerenone Impurity 7 (CAS 3030872-12-6)
- 4-Benzoyl-1-benzylpyrrolidine-2,3-dione (CAS 7399-20-4)
- Ethyl (1R,5S)-3-((tert-butyldimethylsilyl)oxy)bicyclo[3.1.0]Hexane-6-carboxylate (CAS 1312676-90-6)
- N-(1-Methyl-5-oxopyrrolidin-3-yl)-4-(trifluoromethyl)benzamide (CAS 1396854-09-3)
- 6843-66-9 02QB6788GC Dimethoxydiphenylsilane Silane, dimethoxydiphenyl- Benzene, 1,1'-(dimethoxysilylene)bis- Z 6074 AY 43-047 Diphenyldimethoxysilane EINECS 229-929-1 KBM 202 KBM 202LS5300 NSC 93509 TSL 8172 UNII-02QB6788GC EC 229-929-1 (CAS 6843-66-9)
- (E)-Methyl 2-amino-5-(2-(cyanoimino)-1-(6-(2-cyanopropan-2-yl)pyridin-3-yl)-3-methyl-2,3-dihydro-1H-imidazo[4,5-c]quinolin-8-yl)nicotinate (CAS 1356035-43-2)
- Semaglutide Impurity 145 (CAS CATO-C4X-2226145)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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