Methyl 5-chloro-1-oxo-2,3-dihydro-1H-indene-2-carboxylate CAS 65738-56-9
| CAS No. | 65738-56-9 |
| Molecular Formula | C11H9ClO3 |
| Molecular Weight | 224.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-chloro-1-oxo-2,3-dihydro-1H-indene-2-carboxylate (CAS 65738-56-9) is a high-purity analytical reference standard with the molecular formula C11H9ClO3 and a molecular weight of 224.64 g/mol.
Based on its molecular formula C11H9ClO3, Methyl 5-chloro-1-oxo-2,3-dihydro-1H-indene-2-carboxylate contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 224.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl 5-chloro-1-oxo-2,3-dihydro-1H-indene-2-carboxylate 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 | C11H9ClO3 |
| Molecular Weight | 224.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; 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.) | 1975 |
| Halogen Content | Cl-containing |
Related Methyl Standards
- 5-Chloro-3,6-dimethylbenzofuran-2-carboxylic acid (CAS 1016-99-5)
- 5-Chloro-3,7-dimethyl-1-benzofuran-2-carboxylic acid (CAS 1019115-66-2)
- N-(4-Chloro-2-methoxyphenyl)-2-cyanoacetamide (CAS 1072069-59-0)
- Ethyl 5-chloro-1H-indazole-3-carboxylate (CAS 1081-05-6)
- Methyl 2-(4-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)acetate (CAS 1134327-80-2)
- 3-Chloro-4-fluorobenzenesulfonohydrazide (CAS 1155521-30-4)
- Methyl 7-chloro-4-methylpyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1167055-26-6)
- 3-(7-chloro-1H-1,3-benzodiazol-2-yl)propanoic acid (CAS 1179224-44-2)
Recommended Standards
- Methyl 3-amino-5-chloro-1H-indole-2-carboxylate (CAS 889950-17-8)
- Methyl 5-chloro-3-methylbenzofuran-2-carboxylate (CAS 91398-63-9)
- Methyl 2-(chloromethyl)imidazo[1,2-a]pyridine-8-carboxylate (CAS 885276-65-3)
- Methyl 6-chloro-1-methyl-1H-pyrrolo[3,2-b]pyridine-3-carboxylate (CAS 2231676-78-9)
- 5-[(ethoxycarbonyl)amino]-2-fluorobenzoic acid (CAS 1183425-33-3)
- (5E)-1,6-bis(4-bromophenyl)-3-(dimethylamino)-5-(1-(dimethylamino)ethylidene)hex-2-ene-1,6-dione (CAS 178261-64-8)
- 3-(Thiophene-2-carboxamido)cyclohexyl phenylcarbamate (CAS 1351609-11-4)
- 2-(Aminomethyl)-5-methylthiazole (CAS 921091-08-9)
- 3-(5-amino-2-fluorophenyl)-1,3-oxazolidin-2-one hydrochloride (CAS 1788989-20-7)
- 4-Fluoro-3-propoxybenzoic acid (CAS 1378519-47-1)
- 3-Chloro-5-cyclopropoxy-2-ethylpyridine (CAS 1243463-20-8)
- Anastrozole EP Impurity G (CAS 120511-92-4)
- (E)-icos-3-ene (CAS 74685-33-9)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com