2-(2-Methyl-1h-indol-3-yl)-2-oxoacetyl chloride CAS 22980-10-5
| CAS No. | 22980-10-5 |
| Molecular Formula | C11H8ClNO2 |
| Molecular Weight | 221.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H8ClNO2, 2-(2-Methyl-1h-indol-3-yl)-2-oxoacetyl chloride 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 221.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-(2-Methyl-1h-indol-3-yl)-2-oxoacetyl chloride (CAS 22980-10-5), molecular formula C11H8ClNO2 and molecular weight 221.64 g/mol, is a CATO reference standard with documented purity and traceability.
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-(2-Methyl-1h-indol-3-yl)-2-oxoacetyl chloride 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 | C11H8ClNO2 |
| Molecular Weight | 221.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-(2-Chloroquinazolin-4-yl)acetamide (CAS 425638-74-0)
- 2-(4-Aminophenyl)-6-chloropyridazin-3(2H)-one (CAS 74234-91-6)
- 2-(2-Aminopyrimidin-4-yl)-4-chlorophenol (CAS 925003-43-6)
- 2-(7-Methyl-1H-indol-3-yl)-2-oxoacetyl chloride (CAS 59022-69-4)
- N-(2-Aminoethyl)-5-fluoroisoquinolin-1-amine hydrochloride (CAS 1228095-67-7)
- 4-(2,4-Dichlorophenyl)-2-[(4-methoxyphenyl)sulfanyl]-6-(4-methylphenyl)pyridine-3-carbonitrile (CAS 341964-88-3)
- 5-FLUORO-1H-INDOLE-2-CARBOXYLIC ACID METHYL ESTER (CAS 167631-84-7)
- 3-fluoro-4-hydroxybenzene-1-sulfonamide (CAS 1243390-19-3)
- Alda 1 (CAS 349438-38-6)
- 2-(1H-Tetrazol-5-yl)benzoic Acid (CAS 13947-58-5)
- lithium(1+) ion 2-bromo-1-methyl-1H-imidazole-5-carboxylate (CAS 2031269-05-1)
- 1-Hydroxy-5-Phenyl-Naphthalene (CAS 61982-94-3)
- [5-(trifluoromethyl)pyrrolidin-2-yl]methanol (CAS 1354951-58-8)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
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