5-(4-Ethoxy-3-nitrophenyl)-1,3,4-oxadiazol-2-amine CAS 144631-43-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 144631-43-6 |
| Molecular Formula | C10H10N4O4 |
| Molecular Weight | 250.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Ethoxy-3-nitrophenyl)-1,3,4-oxadiazol-2-amine (CAS 144631-43-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H10N4O4. Molecular weight: 250.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H10N4O4 |
| Molecular Weight | 250.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 6,7-Dimethoxy-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 1432752-16-3)
- 2-(3-(4-Nitrophenyl)acrylamido)acetic acid (CAS 150013-03-9)
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- 6-Bromo-3-(dimethylamino)-1,2,3,4-tetrahydro-9H-carbazole (CAS 186545-33-5)
- 1-(1-Acetylindolin-5-yl)-2-chloroethan-1-one (CAS 76139-03-2)
- 5-(Difluoromethyl)-2-fluoro-3-nitropyridin-4-amine (CAS 1805062-32-1)
- 2-(3-Chlorophenyl)-2,2-difluoroethanethioamide (CAS 1334146-97-2)
- Paeonol (CAS 552-41-0)
- 6,10-dithia-2,4,12-triazatricyclo[7.3.0.0³,⁷]dodeca-1,3(7),4,8,11-pentaene-5,11-diamine (CAS 27052-52-4)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
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