5,6,7-Trimethoxy-1H-indole-2-carboxylic acid CAS 128781-07-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 128781-07-7 |
| Molecular Formula | C12H13NO5 |
| Molecular Weight | 251.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,6,7-Trimethoxy-1H-indole-2-carboxylic acid (CAS 128781-07-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H13NO5. Molecular weight: 251.24 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H13NO5 |
| Molecular Weight | 251.24 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, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Related Trimethoxy Standards
- 4,5,6-Trimethoxy-1h-indole-2-carboxylic acid (CAS 30448-09-0)
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- 1,2,3-Trimethoxy-6,7,8,9-tetrahydro-5H-benzo[7]annulen-5-one (CAS 408330-93-8)
- 6,7,8-Trimethoxy-2,4(1H,3H)-quinazolinedione (CAS 30896-98-1)
- 2,3,4-Trimethoxy-6-(prop-2-yn-1-yloxy)benzaldehyde (CAS 861208-24-4)
- 4,6,7-Trimethoxy-5-methyl-2H-chromen-2-one (CAS 62615-63-8)
- 5,6,7-Trimethoxy-4-methyl-2H-chromen-2-one (CAS 7679-43-8)
- 2’,4’,6’-Trimethoxy-3’-propylacetophenone (CAS 916916-57-9)
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