7-Methoxy-1H-indole-4-carboxylic acid CAS 153276-71-2
| CAS No. | 153276-71-2 |
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 7-Methoxy-1H-indole-4-carboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 191.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 7-Methoxy-1H-indole-4-carboxylic acid (CAS 153276-71-2), a certified reference material (molecular formula C10H9NO3, MW 191.18 g/mol) for analytical method development and quality control.
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 7-Methoxy-1H-indole-4-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 | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 2000 |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
- 5-Methoxy-1H-indole-7-carboxylic acid (CAS 1034352-72-1)
- 7-Methyl-4-methoxy Isatin 7-Methyl-4-methoxy indole-2,3-dione (CAS 1082041-40-4)
- 7-Methoxy-2-oxoindoline-3-carbaldehyde (CAS 1083424-57-0)
- 6-methoxy-1,2,3,4-tetrahydroquinoline-2,4-dione (CAS 1188436-95-4)
- 7-Methoxy-1H-indole-3-carboxylic acid (CAS 128717-77-1)
- 7-Methoxy-2-methyl-4H-benzo[d][1,3]oxazin-4-one (CAS 13234-81-6)
- 5-Methoxy-1h-indole-4-carboxylic acid (CAS 1360886-14-1)
- 6-Methoxy-1H-indole-5-carboxylic acid (CAS 155824-16-1)
Recommended Standards
- 4-Acrylamidobenzoic acid (CAS 15286-98-3)
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- 2-(4-Methyl-1,3-thiazol-5-yl)acetonitrile (CAS 50382-33-7)
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- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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