3-(p-Tolyl)-4,5-dihydroisoxazole-5-carbonitrile CAS 190907-44-9
| CAS No. | 190907-44-9 |
| Molecular Formula | C11H10N2O |
| Molecular Weight | 186.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
3-(p-Tolyl)-4,5-dihydroisoxazole-5-carbonitrile (CAS 190907-44-9) is a high-purity analytical reference standard with the molecular formula C11H10N2O and a molecular weight of 186.21 g/mol.
3-(p-Tolyl)-4,5-dihydroisoxazole-5-carbonitrile (C11H10N2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H10N2O |
| Molecular Weight | 186.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- n-(Piperidin-3-ylmethyl)furan-2-carboxamide (CAS 1251343-39-1)
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- (3-Methyl-4-(oxetan-3-yl)phenyl)methanamine (CAS 1823952-09-5)
- 1-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-6-[(2E)-2-[(4-methoxyphenyl)imino]ethyl]-4-oxo-1,4-dihydropyrimidine-5-carbonitrile (CAS 303148-40-5)
- 1-((4-Bromophenyl)sulfonyl)-2-((2-methylbenzyl)thio)-4,5-dihydro-1H-imidazole (CAS 868217-21-4)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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