5-(1,3-Benzodioxol-5-yl)isoxazole-3-carbohydrazide CAS 1142210-96-5
| CAS No. | 1142210-96-5 |
| Molecular Formula | C11H9N3O4 |
| Molecular Weight | 247.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 247.21 g/mol gives 5-(1,3-Benzodioxol-5-yl)isoxazole-3-carbohydrazide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-(1,3-Benzodioxol-5-yl)isoxazole-3-carbohydrazide (CAS 1142210-96-5), a certified reference material (molecular formula C11H9N3O4, MW 247.21 g/mol) for analytical method development and quality control.
5-(1,3-Benzodioxol-5-yl)isoxazole-3-carbohydrazide (C11H9N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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.
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.
Physical & Chemical Properties
| Molecular Formula | C11H9N3O4 |
| Molecular Weight | 247.21 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
Related Benzodioxol Standards
- 1-[3-(1,3-benzodioxol-5-yl)-1,2,4-oxadiazol-5-yl]acetone (CAS 1000932-94-4)
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Recommended Standards
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- 1-(Benzo[d][1,3]dioxol-5-yl)-5-methyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1097050-86-6)
- 1-Methyl-3-(4-nitrophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1152933-94-2)
- Prucalopride Impurity 41 (DP-1) (CAS 76093-76-0)
- (4-Ethoxytetrahydrofuran-3-yl)ethylamine hydrochloride (CAS 1986846-75-6)
- 2-(1H-pyrrol-1-yl)-5-(trifluoromethyl)aniline (CAS 664997-23-3)
- N-(2-Cyano-3-cyclopropoxyphenyl)methanesulfonamide (CAS 1243323-07-0)
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- Linezolid Impurity 16 (CAS CATO-C4X-107316)
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- 4-(4-Hydroxypiperidin-4-yl)benzonitrile hydrochloride (CAS 1841081-29-5)
- D-Val23-Tirzepatide (CAS CATO-CPTD788911)
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