4-Hydroxy-8-methoxyquinoline-3-carbohydrazide CAS 342804-06-2
| CAS No. | 342804-06-2 |
| Molecular Formula | C11H11N3O3 |
| Molecular Weight | 233.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
4-Hydroxy-8-methoxyquinoline-3-carbohydrazide (CAS 342804-06-2), molecular formula C11H11N3O3 and molecular weight 233.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Hydroxy-8-methoxyquinoline-3-carbohydrazide (C11H11N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 233.22 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 4-Hydroxy-8-methoxyquinoline-3-carbohydrazide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 2025 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 3-Bromo-5-fluoropyridine (CAS 407-20-5)
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- 4-oxo-1,4-dihydrocinnoline-3-carboxylic acid (CAS 18514-85-7)
- Tert-butyl (2s)-2-(hydrazinecarbonyl)pyrrolidine-1-carboxylate (CAS 881310-04-9)
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Why CATO?
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