Ethyl 7-chloro-1H-indole-2-carboxylate CAS 43142-64-9
| CAS No. | 43142-64-9 |
| Molecular Formula | C11H10ClNO2 |
| Molecular Weight | 223.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 7-chloro-1H-indole-2-carboxylate is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 7-chloro-1H-indole-2-carboxylate (CAS 43142-64-9), molecular formula C11H10ClNO2 and molecular weight 223.66 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 7-chloro-1H-indole-2-carboxylate (C11H10ClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 223.66 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 Ethyl 7-chloro-1H-indole-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 | C11H10ClNO2 |
| Molecular Weight | 223.66 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 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.) | 1969 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- 6-Chloro-2-(3,5-dimethyl-1h-pyrazol-1-yl)pyrimidin-4-amine (CAS 1014720-95-6)
- 3-(6-Chloro-1H-indol-3-yl)propanoic acid (CAS 1018612-14-0)
- 2-Chloro-4-(2-oxopyrrolidin-1-yl)benzaldehyde (CAS 1024204-74-7)
- 4-Chloro-2-(3-ethyl-1,2,4-oxadiazol-5-yl)aniline (CAS 1040345-45-6)
- Ethyl 6-chloro-1H-indole-5-carboxylate (CAS 1057076-52-4)
- Ethyl 4-chloro-1H-indole-5-carboxylate (CAS 1057076-56-8)
- Methyl 7-chloro-2-methyl-1H-indole-3-carboxylate (CAS 1082470-30-1)
- Methyl 4-chloro-2-methyl-1H-indole-3-carboxylate (CAS 1082470-33-4)
Recommended Standards
- Ethyl 6-Chloroindole-2-carboxylate (CAS 27034-51-1)
- Methyl 5-Chloroindole-3-acetate (CAS 74339-45-0)
- Ethyl 5-Chloroindole-3-carboxylate (CAS 91349-03-0)
- methyl 6-chloro-1-methyl-1H-indole-5-carboxylate (CAS 848127-77-5)
- 3-Bromo-5-(trifluoromethyl)imidazo[1,2-a]pyridine (CAS 1893797-71-1)
- Methyl 4-((benzo[d]thiazole-2-carboxamido)methyl)piperidine-1-carboxylate (CAS 1235205-09-0)
- Methyl 1-((4-nitro-1H-pyrazol-1-yl)methyl)-1H-pyrazole-3-carboxylate (CAS 1005696-77-4)
- 1-Hydroxy-7,8,9,10-tetrahydro-6H-dibenzo[c,h]chromen-6-one (CAS 5408-46-8)
- N-(Furan-2-ylmethyl)-5-methylfuro[3,2-b]pyridine-2-carboxamide (CAS 941881-14-7)
- N-cyclobutyl-2-(trifluoromethoxy)aniline (CAS 1248281-44-8)
- 5-(Aminomethyl)-n,n-diethylthiophene-2-sulfonamide hydrochloride (CAS 1049720-13-9)
- N,N-Dimethyl-9-(2-nitrobenzyl)-9H-purin-6-amine (CAS 10549-98-1)
- 8-Azidoquinoline (CAS 50400-06-1)
- Eosinophilotactic Peptide (CAS 61756-28-3)
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