5,6,7-Trimethoxy-1H-indole-2-carboxylic acid CAS 128781-07-7
| 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
CATO supplies 5,6,7-Trimethoxy-1H-indole-2-carboxylic acid (CAS 128781-07-7), a certified reference material (molecular formula C12H13NO5, MW 251.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H13NO5, 5,6,7-Trimethoxy-1H-indole-2-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 251.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 5,6,7-Trimethoxy-1H-indole-2-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 | 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)
- 6,7,8-trimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one (CAS 1421602-05-2)
- 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)
Recommended Standards
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