5-(2-Hydroxybenzoyl)-1-(2-methoxyethyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile CAS 730951-39-0
| CAS No. | 730951-39-0 |
| Molecular Formula | C16H14N2O4 |
| Molecular Weight | 298.29 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.
CATO supplies 5-(2-Hydroxybenzoyl)-1-(2-methoxyethyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 730951-39-0), a certified reference material (molecular formula C16H14N2O4, MW 298.29 g/mol) for analytical method development and quality control.
Structurally, 5-(2-Hydroxybenzoyl)-1-(2-methoxyethyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (C16H14N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 298.29 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C16H14N2O4 |
| Molecular Weight | 298.29 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
Related Hydroxybenzoyl Standards
- [4-(4-hydroxybenzoyl)phenyl] 2,2-dimethylpropanoate (CAS 114031-67-3)
- 1-(4-Hydroxybenzoyl)glucose (CAS 25545-07-7)
- 2-(2-(4-Hydroxybenzoyl)hydrazine-1-carbonyl)benzoic acid (CAS 314284-99-6)
- 4-(4-(2-Hydroxybenzoyl)-1H-pyrazol-1-yl)benzoic acid (CAS 146618-31-7)
- 3-(4-(2-Hydroxybenzoyl)-1h-pyrazol-1-yl)benzoic acid (CAS 959575-06-5)
- 2-(4-Hydroxybenzoyl)-N-phenylhydrazine-1-carbothioamide (CAS 26036-25-9)
- 5-(5-Ethyl-2-hydroxybenzoyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 53390-22-0)
- 5-(2-Hydroxybenzoyl)-1-(3-methoxypropyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 731011-89-5)
Recommended Standards
- 5-((4-Nitrophenoxy)methyl)-3-phenyl-4,5-dihydroisoxazole (CAS 93979-33-0)
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- 4-[3,4-Dihydro-2(1H)-isoquinolinyl]-3-nitrobenzoic acid (CAS 440347-91-1)
- 5-Hydroxy-3,7-dimethoxy-2-phenyl-4H-chromen-4-one (CAS 70786-48-0)
- N-(4,5,6,7-Tetrahydrobenzo[d]thiazol-2-yl)formamide (CAS 255842-07-0)
- 2-Chloro-N-(3-(6,7,8,9-tetrahydro-5h-[1,2,4]triazolo[4,3-a]azepin-3-yl)phenyl)acetamide (CAS 923870-50-2)
- 2-Amino-5-methylpyrazine (CAS 5521-58-4)
- 4-(Chloromethyl)-2-(4-chlorophenyl)-1,3-oxazole (CAS 22091-36-7)
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- 3-Bromo-4-isobutoxybenzamide (CAS 882093-09-6)
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