6-Hydroxy-2-[(5-methoxy-1-methyl-1H-indol-3-yl)methylidene]-7-methyl-2,3-dihydro-1-benzofuran-3-one CAS 929339-33-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 929339-33-3 |
| Molecular Formula | C20H17NO4 |
| Molecular Weight | 335.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Hydroxy-2-[(5-methoxy-1-methyl-1H-indol-3-yl)methylidene]-7-methyl-2,3-dihydro-1-benzofuran-3-one (CAS 929339-33-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H17NO4. Molecular weight: 335.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H17NO4 |
| Molecular Weight | 335.35 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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
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Recommended Standards
- 6-Cyclopropyl-2-{[(pyridin-2-yl)methyl]sulfanyl}-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 893754-28-4)
- 8-(((Benzyloxy)carbonyl)amino)-1,4-dioxaspiro[4.5]Decane-8-carboxylic acid (CAS 945895-47-6)
- 6-Cyclopropyl-2-((pyridin-3-ylmethyl)thio)-4-(trifluoromethyl)nicotinonitrile (CAS 893753-82-7)
- Ethyl (1s,4s)-4-hydroxy-1-methylcyclohexane-1-carboxylate (CAS 1252900-68-7)
- 2-Fluoro-6-(trifluoromethyl)benzamide (CAS 144851-59-2)
- 4-Methyl-2-(pyridin-2-yl)-N-(3-(trifluoromethyl)phenyl)thiazole-5-carboxamide (CAS 400079-02-9)
- Tetrandrine (CAS 518-34-3)
- 4,5-Dichlorothiophene-3-carbaldehyde (CAS 61200-59-7)
- 2-(CYclopropylmethoxy)-5-nitropyridine (CAS 1374298-66-4)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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