5-Methoxyquinazoline CAS 7556-87-8
| CAS No. | 7556-87-8 |
| Molecular Formula | C9H8N2O |
| Molecular Weight | 160.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 5-Methoxyquinazoline (CAS 7556-87-8), a certified reference material (molecular formula C9H8N2O, MW 160.17 g/mol) for analytical method development and quality control.
5-Methoxyquinazoline (C9H8N2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5-Methoxyquinazoline 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 | C9H8N2O |
| Molecular Weight | 160.17 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 2 |
Related Methoxyquinazoline Standards
- 4-Methoxyquinazoline (CAS 16347-95-8)
- 2-Methoxyquinazoline (CAS 6141-15-7)
- 6-Methoxyquinazoline (CAS 7556-92-5)
- 8-Methoxyquinazoline (CAS 7557-01-9)
- 7-methoxyquinazoline (CAS 10105-37-0)
- 4-Methoxyquinazoline-5-carbonitrile (CAS 1231761-60-6)
- 4-Methoxyquinazoline-6-carbonitrile (CAS 1823343-70-9)
- 6-Methoxyquinazoline-2-carbaldehyde (CAS 1266119-42-9)
Recommended Standards
- 5-Methoxy-3-methyl-5-oxopentanoic acid (CAS 27151-65-1)
- 5-Methyl[1,6]naphthyridin-2(1H)-one (CAS 88296-61-1)
- 5-Methoxy-1H-inden-1-one (CAS 72913-59-8)
- 5-methyl-1-benzofuran-2-carbaldehyde (CAS 40724-03-6)
- 3-Bromo-4-phenoxybenzene-1-sulfonyl chloride (CAS 1284960-73-1)
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- Semaglutide impurity 195 (CAS CATO-C4X-2226195)
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