3-Hydroxy-2-phenylchroman-4-one CAS 1621-55-2
| CAS No. | 1621-55-2 |
| Molecular Formula | C15H12O3 |
| Molecular Weight | 240.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-2-phenylchroman-4-one (CAS 1621-55-2) is a high-purity analytical reference standard with the molecular formula C15H12O3 and a molecular weight of 240.25 g/mol.
Based on its molecular formula C15H12O3, 3-Hydroxy-2-phenylchroman-4-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 240.25 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.
As a certified reference material (CRM), 3-Hydroxy-2-phenylchroman-4-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H12O3 |
| Molecular Weight | 240.25 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
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Recommended Standards
- 3-(4-Methoxyphenyl)benzofuran-5-ol (CAS 1574478-65-1)
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- 1-(Tetrahydro-2H-pyran-4-yl)propan-1-ol (CAS 854697-48-6)
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- (trans-1-Methyl-3-(2,4,6-trimethoxyphenyl)pyrrolidin-2-yl)methanol (CAS 117955-09-6)
- N-(3-(2-Oxopropyl)pyridin-4-yl)pivalamide (CAS 113975-36-3)
- 6-Bromo-1,2,3,5-tetrahydrobenzo[e][1,4]oxazepine (CAS 1404432-35-4)
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