3-Acetyl-4-hydroxy-2H-chromen-2-one CAS 2555-37-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 2555-37-5 |
| Molecular Formula | C11H8O4 |
| Molecular Weight | 204.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Acetyl-4-hydroxy-2H-chromen-2-one (CAS 2555-37-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H8O4. Molecular weight: 204.18 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H8O4 |
| Molecular Weight | 204.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Acetyl Standards
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- 3-Hydroxy-4-phenyl-1H-pyrazole-5-carboxylic acid (CAS 1144488-84-5)
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Recommended Standards
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- O1-tert-butyl O3-ethyl 3-(iodomethyl)azetidine-1,3-dicarboxylate (CAS 1078166-68-3)
- 3-Methyl-1-propyl-1H-pyrazol-5(4H)-one (CAS 42098-18-0)
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- Des-Ala21-Tirzepatide (CAS CATO-CPTD788952)
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