6-Ethoxy-1H-indole-5-carboxylic acid CAS 672293-18-4
| CAS No. | 672293-18-4 |
| Molecular Formula | C11H11NO3 |
| Molecular Weight | 205.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Ethoxy-1H-indole-5-carboxylic acid (CAS 672293-18-4), molecular formula C11H11NO3 and molecular weight 205.21 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Ethoxy-1H-indole-5-carboxylic acid (C11H11NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 205.21 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 6-Ethoxy-1H-indole-5-carboxylic acid 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 | C11H11NO3 |
| Molecular Weight | 205.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Ethoxy Standards
- 6-Ethoxy-1H-indole-2-carboxylic acid (CAS 103989-09-9)
- 1-(5-Ethoxy-1H-benzo[d][1,2,3]triazol-1-yl)ethanone (CAS 118933-94-1)
- 2-(Ethoxy(hydroxy)methylene)indolin-3-one (CAS 1356783-40-8)
- 5-Ethoxy-N-phenyl-1,3,4-oxadiazol-2-amine (CAS 182348-47-6)
- (2-ethoxy-4-formylphenoxy)methyl cyanide (CAS 443290-21-9)
- 1-(4-Ethoxy-1H-pyrazolo[3,4-b]pyridin-5-yl)ethanone (CAS 60868-78-2)
- 4-Ethoxy-1h-indole-2-carboxylic acid (CAS 29970-01-2)
- 4-Ethoxy-6-(furan-2-yl)pyrimidin-2-amine (CAS 675819-61-1)
Recommended Standards
- 6-Amino-7-methoxy-4-methyl-2H-chromen-2-one (CAS 29001-27-2)
- 6-Ethoxy-2-methylpyrido[3,4-d]pyrimidin-4(3H)-one (CAS 2379344-46-2)
- 6-Amino-1,4-dimethyl-1,4-dihydroquinoxaline-2,3-dione (CAS 76097-86-4)
- 6-Hydroxy-N,2-dimethylbenzofuran-3-carboxamide (CAS 638217-08-0)
- 1-(3-Bromo-4-hydroxy-5-methoxyphenyl)-2-propanone (CAS 205826-79-5)
- 1-(2,2-Dimethylmorpholino)-3-methylbut-2-en-1-one (CAS 1181876-21-0)
- 3-Cyclobutyl-1-methyl-1H-1,2,4-triazol-5-amine (CAS 1553917-14-8)
- 2,5-Difluoro-4-(trifluoromethyl)benzoic acid (CAS 261945-05-5)
- 6,7-Dimethoxy-3-phenethyl-2-((pyridin-4-ylmethyl)thio)quinazolin-4(3H)-imine (CAS 691858-07-8)
- Methylmalonic Acid-d3 (CAS 42522-59-8)
- N-ethylpiperazine-1-carboxamide hydrochloride (CAS 474711-90-5)
- Methyl 4-bromo-5-sulfamoylthiophene-2-carboxylate (CAS 2137611-69-7)
- 1,1,2,2,3,3,4,4,4-Nonafluoro-N,N-bis(2-hydroxyethyl)butane-1-sulfonamide (CAS 34455-00-0)
- Semaglutide Impurity 189 (CAS CATO-C4X-2226189)
Why CATO?
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