8-Methyl-5-nitro-[1,3]oxazolo[4,5-h]quinolin-2-amine CAS 1820650-83-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1820650-83-6 |
| Molecular Formula | C11H8N4O3 |
| Molecular Weight | 244.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Methyl-5-nitro-[1,3]oxazolo[4,5-h]quinolin-2-amine (CAS 1820650-83-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H8N4O3. Molecular weight: 244.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H8N4O3 |
| Molecular Weight | 244.21 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 1-(7-Amino-3,4-dihydroisoquinolin-2(1H)-yl)-2,2,2-trifluoroethan-1-one (CAS 181634-14-0)
- n-[3-(trifluoromethyl)phenyl]azetidine-3-carboxamide (CAS 1828845-50-6)
- 2-(4,5-Dihydro-4,4-dimethyl-2-oxazolyl)-5-(trifluoromethyl)pyridine (CAS 1803415-70-4)
- 2-Chloro-6-fluoro-3-pyridinecarboxaldehyde (CAS 1227563-22-5)
- 4-(2,2-dimethylmorpholin-4-yl)-2-ethoxyaniline (CAS 1405012-93-2)
- 3,4-Dihydroxy-2-(trifluoromethyl)pyridine (CAS 1184172-17-5)
- Dexamethasone 21-Mesylate (CAS 2265-22-7)
- 3-((Dipropylamino)methyl)benzaldehyde (CAS 1443355-62-1)
- Drotaverin Impurity 73 (CAS CATO-C4X-243573)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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