4-Amino-8-cyanoquinoline-3-carbohydrazide CAS 1329632-93-0
| CAS No. | 1329632-93-0 |
| Molecular Formula | C11H9N5O |
| Molecular Weight | 227.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Amino-8-cyanoquinoline-3-carbohydrazide (CAS 1329632-93-0), molecular formula C11H9N5O and molecular weight 227.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Amino-8-cyanoquinoline-3-carbohydrazide (C11H9N5O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 227.22 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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 | C11H9N5O |
| Molecular Weight | 227.22 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 5 |
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Recommended Standards
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- (E)-3-(5-Methoxy-1H-indol-3-yl)acrylic acid (CAS 1402072-52-9)
- 1,4-Dimethyl (2E)-2-(1-{[(3,4-dimethoxyphenyl)methyl]amino}ethylidene)butanedioate (CAS 477890-06-5)
- 2-Amino-3-(tert-butyl)benzamide (CAS 1885-71-8)
- N-(Naphthalen-1-yl)-N-phenylnitrous amide (CAS 6341-40-8)
- tert-Butyl 2-bromo-6,7-dihydrothiazolo[4,5-c]pyridine-5(4H)-carboxylate (CAS 1253654-37-3)
- 1,1,2,2-Tetramethyl-1,2-di(thiophen-2-yl)disilane (CAS 124733-24-0)
- 2-Chloro-N-methyl-N-(pyridin-2-ylmethyl)acetamide (CAS 1155110-75-0)
- 6-Methylpyridazine-3-sulfonyl chloride (CAS 1250556-77-4)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
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