Ethyl 7-methoxy-5-nitro-1H-indole-2-carboxylate CAS 176956-21-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 176956-21-1 |
| Molecular Formula | C12H12N2O5 |
| Molecular Weight | 264.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 7-methoxy-5-nitro-1H-indole-2-carboxylate (CAS 176956-21-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H12N2O5. Molecular weight: 264.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O5 |
| Molecular Weight | 264.23 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 DMSO, DMF, methanol |
| 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.) | 2007 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 3-(2,4-dioxohexahydropyrimidin-1-yl)-5-methoxy-benzoic acid (CAS 1632033-83-0)
- Dimethyl (2R,3R,5R,6R)-5,6-dimethoxy-1,4-dioxane-2,3-dicarboxylate (CAS 181586-74-3)
- Diethyl (2R,3S,4R,5S)-2,3,4,5-tetrahydroxyhexanedioate (CAS 15909-67-8)
- 2,2,2-Trifluoroethyl n-(2-chloroethyl)carbamate (CAS 501662-13-1)
- 2-(Aminomethyl)-5-(trifluoromethylthio)benzo[d]oxazole (CAS 1805082-25-0)
- 4-Cyano-2-(trifluoromethyl)benzene-1-sulfonamide (CAS 1094770-14-5)
- (4-Fluoroadamantan-1-yl)methanol (CAS 1283721-00-5)
- N,N,N-Trimethyl-4-(N-methylacetamido)but-2-yn-1-aminium iodide (CAS 3854-07-7)
- tert-Butyl 4-hydroxy-3-methyl-1h-pyrazole-1-carboxylate (CAS 1394947-71-7)
- Insulin Degludec Impurity 3 (CAS CATO-C4X-21573)
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