4-Chloro-7-methoxy-2-methyl-6-nitroquinazoline CAS 2089319-30-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2089319-30-0 |
| Molecular Formula | C10H8ClN3O3 |
| Molecular Weight | 253.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-7-methoxy-2-methyl-6-nitroquinazoline (CAS 2089319-30-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H8ClN3O3. Molecular weight: 253.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H8ClN3O3 |
| Molecular Weight | 253.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
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- 6-chloro-4-hydroxy-8-methoxyquinoline-3-carboxylic acid (CAS 1189106-26-0)
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Recommended Standards
- 4-Chloro-7-ethoxy-6-nitroquinazoline (CAS 936954-10-8)
- 4-Chlorobut-2-yn-1-yl 4-nitrobenzoate (CAS 61273-13-0)
- 4-Chloro-2-fluoro-5-sulfamylbenzoic acid (CAS 4793-22-0)
- 5-{[(4-methylphenyl)methyl]sulfanyl}-3-phenyl-6-(trifluoromethyl)-1,2,4-triazine (CAS 478048-12-3)
- 3-(2,4-Difluorophenyl)prop-2-enoic acid (CAS 774-73-2)
- 3-((2-Cyanoethyl)thio)-1-methyl-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile (CAS 1412223-15-4)
- (EZ)-Kresoxim-4-hydroxy (free acid) (CAS 181373-11-5)
- 2-Bromo-N-(m-tolyl)acetamide (CAS 5439-17-8)
- 2-amino-7-chloro-3,4-dihydroquinazolin-4-one (CAS 20198-18-9)
- Des-Ala18-Tirzepatide (CAS CATO-CPTD788955)
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