(7-methoxy-5-nitro-4-oxo-1H-quinazolin-6-yl) acetate CAS 2916474-77-4
| CAS No. | 2916474-77-4 |
| Molecular Formula | C11H9N3O6 |
| Molecular Weight | 279.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (7-methoxy-5-nitro-4-oxo-1H-quinazolin-6-yl) acetate 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.
(7-methoxy-5-nitro-4-oxo-1H-quinazolin-6-yl) acetate (CAS 2916474-77-4) is a high-purity analytical reference standard with the molecular formula C11H9N3O6 and a molecular weight of 279.21 g/mol.
Based on its molecular formula C11H9N3O6, (7-methoxy-5-nitro-4-oxo-1H-quinazolin-6-yl) acetate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 279.21 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).
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.
Physical & Chemical Properties
| Molecular Formula | C11H9N3O6 |
| Molecular Weight | 279.21 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, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 2-[4-(benzyloxy)-3,5-dimethoxyphenyl]ethan-1-amine hydrochloride (CAS 2176-15-0)
- Ethyl 4,4,4-trifluoro-3-hydroxy-2-methylbutanoate (CAS 91600-33-8)
- 3-((dimethylcarbamoyl)oxy)-1-isopropylpyridin-1-ium bromide (CAS 69440-43-3)
- tert-Butyl 1,2,3,4,5,6-hexahydro-1,6-benzodiazocine-1-carboxylate (CAS 946386-51-2)
- 2-Chloro-N-(5-methylthiazol-2-yl)acetamide (CAS 575497-12-0)
- 2-Cyclopropyl-4-(1,4-diazepan-1-yl)-5,6,7,8-tetrahydroquinazoline (CAS 1707394-54-4)
- 2-Hydroxy-4-methyl-N-(p-tolyl)benzamide (CAS 111383-12-1)
- 1,5-Di-O-(4-methylbenzoyl)-2,3-O-isopropylidene-beta-D-ribofuranose (CAS 86042-28-6)
- Apalutamide Impurity 117 (CAS CATO-C4X-2749117)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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