1-Oxo-3,4-dihydro-1H-2-benzopyran-3-carboxylic acid CAS 5762-27-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5762-27-6 |
| Molecular Formula | C10H8O4 |
| Molecular Weight | 192.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Oxo-3,4-dihydro-1H-2-benzopyran-3-carboxylic acid (CAS 5762-27-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H8O4. Molecular weight: 192.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H8O4 |
| Molecular Weight | 192.17 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, 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.) | 1958 |
Related Oxo Standards
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- 1,2-Dihydro-1-oxo-pyrrolo[1,2-a]pyrazine-3-carboxylic acid methyl ester (CAS 119756-20-6)
- 2-(7-Oxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyridin-6-yl)acetic acid (CAS 1206969-29-0)
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- 1,4-dihydro-1-methyl-4-oxopyrrolo[1,2-b]pyridazine-3-carboxylic acid (CAS 156335-31-8)
- (3-Oxo-1,3-dihydro-2-benzofuran-1-yl)urea (CAS 4741-69-9)
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Recommended Standards
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- Fmoc-Val-Bt (CAS 1126433-37-1)
- (5E)-5-({4-[(3-chlorophenyl)methoxy]phenyl}methylidene)-1,3-thiazolidine-2,4-dione (CAS 157375-63-8)
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- 3,4-Dimethyl-2-(trifluoromethyl)pyridine (CAS 1448776-76-8)
- 898759-21-2 3-(1,3-Dioxolan-2-ylmethyl)-1,2-dimethoxybenzene MFCD04117659 (CAS 898759-21-2)
- Tirzepatide Impurity 21 X TFA Salt (CAS CATO-C4X-324021)
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