2-(5,6-Dichloro-1H-indol-3-yl)acetic acid CAS 98640-00-7
| CAS No. | 98640-00-7 |
| Molecular Formula | C10H7Cl2NO2 |
| Molecular Weight | 244.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(5,6-Dichloro-1H-indol-3-yl)acetic acid (CAS 98640-00-7) is a high-purity analytical reference standard with the molecular formula C10H7Cl2NO2 and a molecular weight of 244.07 g/mol.
Based on its molecular formula C10H7Cl2NO2, 2-(5,6-Dichloro-1H-indol-3-yl)acetic acid contains a nitrogen-containing heterocyclic scaffold, 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 244.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(5,6-Dichloro-1H-indol-3-yl)acetic acid 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 | C10H7Cl2NO2 |
| Molecular Weight | 244.07 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, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 3,5-Dichloro-4-fluorobenzenesulfonamide (CAS 1208075-66-4)
- 3,6-Dichloro-1-methyl-1h-indole-2-carboxylic acid (CAS 1355224-53-1)
- Methyl 4,6-dichloro-1H-indole-2-carboxylate (CAS 144989-28-6)
- 4,5-Dichloro-1-methyl-1H-indole-2-carboxylic acid (CAS 1782898-58-1)
- 2,6-Dichloro-3-fluorobenzenesulfonamide (CAS 1803784-23-7)
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Recommended Standards
- 2-(4,6-Dichloro-1H-indol-3-yl)acetic acid (CAS 63352-95-4)
- 2-Cyano-3-(2,3-dichlorophenyl)propionic Acid (CAS 39959-99-4)
- 1-Iodo-4-(1-propen-2-yl)benzene (CAS 561023-21-0)
- 2-Cyano-3-(2,5-dichlorophenyl)propionic Acid (CAS 2044707-21-1)
- 4-(3,4-Dichlorophenoxy)-5-methoxy-2-(methylsulfanyl)pyrimidine (CAS 338956-04-0)
- 4-((4-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)sulfonyl)morpholine (CAS 1704065-38-2)
- 4-(Oxetan-3-yl)benzoic acid (CAS 1554650-83-7)
- 4-Chloro-5-methylindoline-2,3-dione (CAS 53003-18-2)
- N,N-Diacetyl Des-5’-chloro-4-fluorobenzyl Mosapride (CAS 170799-31-2)
- 1-(4-Bromobenzyl)-1h-imidazole-5-carboxylic acid (CAS 1417637-70-7)
- Ethyl 2,3-dichloroquinoxaline-5-carboxylate (CAS 1671080-81-1)
- (3-Methylpiperidin-1-yl)(piperidin-4-yl)methanone hydrochloride (CAS 1170118-61-2)
- Ethyl 2,6-dichloro-4-(trifluoromethyl)benzoate (CAS 189338-33-8)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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