7-Ethoxy-6-hydroxyquinazolin-4(3H)-one CAS 451494-93-2
| CAS No. | 451494-93-2 |
| Molecular Formula | C10H10N2O3 |
| Molecular Weight | 206.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-Ethoxy-6-hydroxyquinazolin-4(3H)-one.
7-Ethoxy-6-hydroxyquinazolin-4(3H)-one (CAS 451494-93-2) is a high-purity analytical reference standard with the molecular formula C10H10N2O3 and a molecular weight of 206.20 g/mol.
Structurally, 7-Ethoxy-6-hydroxyquinazolin-4(3H)-one (C10H10N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 206.20 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 7-Ethoxy-6-hydroxyquinazolin-4(3H)-one 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 | C10H10N2O3 |
| Molecular Weight | 206.20 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.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 7,8-Dimethoxy-1,2-dihydrophthalazin-1-one (CAS 4821-89-0)
- 7-Ethoxyquinazoline-2,4(1H,3H)-dione (CAS 62484-18-8)
- 6-Nitro-2-propyl-1,3-benzoxazole (CAS 885949-60-0)
- 7-Isopropyl-[1,2,4]triazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 878453-66-8)
- 2-Chloro-N-cyclopropyl-N-((1-methylpyrrolidin-2-yl)methyl)acetamide (CAS 1353961-91-7)
- Magnesium methoxide solution (CAS 109-88-6)
- 5-Oxo-1h,5h-pyrazolo[1,5-a]quinazoline-3-carboxylic acid (CAS 1181458-88-7)
- 4-{[(4-Fluorobenzyl)amino]-methyl}cyclohexanecarboxylic acid (CAS 440648-01-1)
- Methyl 3-aminooxolane-3-carboxylate (CAS 1182717-26-5)
- Trazodone Impurity N16 (CAS 39577-43-0)
- Otilonium Bromide Impurity 3 (CAS 14629-01-7)
- Butyl 2-(4-aminopiperidin-1-yl)acetate (CAS 287399-62-6)
- Venetoclax Impurity 113 (CAS CATO-C4X-2495113)
- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com