3-Nitro-1-(2-phenoxyethyl)-1h-pyrazole CAS 1240571-17-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1240571-17-8 |
| Molecular Formula | C11H11N3O3 |
| Molecular Weight | 233.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Nitro-1-(2-phenoxyethyl)-1h-pyrazole (CAS 1240571-17-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H11N3O3. Molecular weight: 233.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H11N3O3 |
| Molecular Weight | 233.22 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 3-Methoxy-4-(3-methyl-1H-1,2,4-triazol-1-yl)benzoic acid (CAS 1243205-02-8)
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- N-(5-(4-Methoxyphenyl)-1,2,4-oxadiazol-3-yl)acetamide (CAS 124573-17-7)
- cis-Linalool Oxide (CAS 5989-33-3)
- 2,2'-(((4R,7S,12R)-7-amino-6,10-dioxo-1,2-dithia-5,11-diazacyclotridecane-4,12-dicarbonyl)bis(azanediyl))diacetic acid (CAS CATO-C3D-262909)
- 2-(2-{2-[(5-bromothiophen-2-yl)methylidene]hydrazin-1-ylidene}-4-oxo-1,3-thiazolidin-5-yl)acetic acid (CAS 700350-91-0)
- 4,4,4-Trifluoro-1-(2-(trifluoromethyl)phenyl)butane-1,3-dione (CAS 94856-23-2)
- Acotiamide Impurity 7 (CAS 185105-13-9)
- 2-Bromo-4-chloro-5-methylaniline (CAS 939989-85-2)
- Tirzepatide Impurity 34 (CAS CATO-C4X-324034)
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