1-(3,4-Dichlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic Acid Methyl Ester CAS 942431-82-5
| CAS No. | 942431-82-5 |
| Molecular Formula | C20H17Cl2NO4 |
| Molecular Weight | 406.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 406.26 g/mol gives 1-(3,4-Dichlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic Acid Methyl Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-(3,4-Dichlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic Acid Methyl Ester (CAS 942431-82-5), a certified reference material (molecular formula C20H17Cl2NO4, MW 406.26 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H17Cl2NO4, 1-(3,4-Dichlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic Acid Methyl Ester contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 406.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H17Cl2NO4 |
| Molecular Weight | 406.26 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, keep sealed and dry |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorobenzoyl Standards
- 4-({[(2,6-dichlorobenzoyl)amino]carbonyl}amino)-3-fluorobenzenesulphonyl fluoride (CAS 284674-48-2)
- 3-(3-(2,3-Dichlorobenzoyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)benzamide (CAS 858118-68-0)
- 4-(3-(2,3-Dichlorobenzoyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)benzamide (CAS 858118-97-5)
- 4-(3-(2,3-Dichlorobenzoyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)benzamide (CAS 858118-24-8)
- 2-[4-(2,4-Dichlorobenzoyl)-1H-1,2,3-triazol-1-yl]-4-methyl-6-phenylpyrimidine (CAS 685109-16-4)
- 4-(2,4-Dichlorobenzoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326810-95-0)
- 4-(3,4-Dichlorobenzoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326813-05-1)
- 4-(3,5-Dichlorobenzoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326813-17-5)
Recommended Standards
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- N-[3-(Trifluoromethyl)benzyl]ethylamine (CAS 14355-04-5)
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- 1-[4-(2-bromoacetyl)piperidin-1-yl]-2,2,2-trifluoroethan-1-one (CAS 2031268-68-3)
- Ethyl 2-amino-3-(2,4-dioxo-3-azabicyclo[3.1.0]hexan-3-yl)propanoate (CAS 1343022-06-9)
- Peptide YY (human) trifluoroacetate salt (CAS 118997-30-1)
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