2-Ethyl 5-methyl 1H-indole-2,5-dicarboxylate CAS 884494-66-0
| CAS No. | 884494-66-0 |
| Molecular Formula | C13H13NO4 |
| Molecular Weight | 247.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 247.25 g/mol gives 2-Ethyl 5-methyl 1H-indole-2,5-dicarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Ethyl 5-methyl 1H-indole-2,5-dicarboxylate (CAS 884494-66-0), molecular formula C13H13NO4 and molecular weight 247.25 g/mol, is a CATO reference standard with documented purity and traceability.
2-Ethyl 5-methyl 1H-indole-2,5-dicarboxylate (C13H13NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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-Ethyl 5-methyl 1H-indole-2,5-dicarboxylate 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 | C13H13NO4 |
| Molecular Weight | 247.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-Ethyl 4-methyl 1H-indole-2,4-dicarboxylate (CAS 473883-20-4)
- 2-Ethyl 6-methyl 1H-indole-2,6-dicarboxylate (CAS 916792-63-7)
- 2-Butyl-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid (CAS 96296-39-8)
- 2-Hydroxy-4-oxo-N-propyl-4H-pyrido[1,2-a]pyrimidine-3-carboxamide (CAS 886898-43-7)
- 3-(Carboxymethyl)cyclobutane-1-carboxylic acid (CAS 2098129-74-7)
- 8-Aminopyrene-1,3,6-trisulfonic acid trisodium salt (CAS 196504-57-1)
- 1-(4-(1-Cyanocyclopentyl)phenyl)-4-methoxy-2-oxo-1,2,5,6-tetrahydropyridine-3-carbonitrile (CAS 1922870-53-8)
- 4-(1H-indol-3-yl)piperidine-1-carboxamide (CAS 929975-37-1)
- N-Benzyl-1-propyl-1H-pyrazol-3-amine hydrochloride (CAS 1856023-87-4)
- (3-Bromophenyl)(7-nitro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methanone (CAS 727669-68-3)
- (3',4'-Dimethyl-[1,1'-biphenyl]-3-yl)methanol (CAS 885963-90-6)
- 1-(4-(4-(2-Hydroxyethyl)piperazin-1-yl)phenyl)ethan-1-one (CAS 166438-77-3)
- 2-((2,2,6,6-Tetramethylpiperidin-4-yl)carbamoyl)benzoic acid (CAS 293325-42-5)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
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