2-amino-5-chloro-6-nitro-3,4-dihydroquinazolin-4-one CAS 103884-19-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 103884-19-1 |
| Molecular Formula | C8H13ClN4O3 |
| Molecular Weight | 248.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-amino-5-chloro-6-nitro-3,4-dihydroquinazolin-4-one (CAS 103884-19-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H13ClN4O3. Molecular weight: 248.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H13ClN4O3 |
| Molecular Weight | 248.67 g/mol |
| Appearance | Off-white to pale 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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- 2-(3-ethoxyoxetan-3-yl)ethanamine (CAS 1894125-34-8)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(pyrimidin-5-yl)thiophen-2-yl)boronate (CAS 1402165-98-3)
- Lixisenatide (CAS 320367-13-3（free base）)
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