3-[(7-Methoxy-2-naphthyl)oxy]-pyrazine-2-carboxylic acid CAS 1228552-69-9
| CAS No. | 1228552-69-9 |
| Molecular Formula | C16H12N2O4 |
| Molecular Weight | 296.28 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.
CATO supplies 3-[(7-Methoxy-2-naphthyl)oxy]-pyrazine-2-carboxylic acid (CAS 1228552-69-9), a certified reference material (molecular formula C16H12N2O4, MW 296.28 g/mol) for analytical method development and quality control.
Structurally, 3-[(7-Methoxy-2-naphthyl)oxy]-pyrazine-2-carboxylic acid (C16H12N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 296.28 g/mol, it falls into the medium-molecular-weight range. 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 | C16H12N2O4 |
| Molecular Weight | 296.28 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Methoxy Standards
- 1-Methoxy-4-(3-nitrophenyl)isoquinolin-5-ol (CAS 656233-95-3)
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- 2-(2-Methoxy-4-nitrophenoxy)-1-morpholinoethan-1-one (CAS 899368-48-0)
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- 8-Methoxy-2-oxo-N-(pyridin-2-yl)-2H-chromene-3-carboxamide (CAS 446270-03-7)
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Recommended Standards
- 1-(2-Methoxyphenyl)-5-pyridin-4-yl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1223881-43-3)
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- (5-Phenylisoxazol-3-yl)methyl 2-oxo-1,2-dihydropyridine-3-carboxylate (CAS 1209736-39-9)
- 2-Benzamido-2-(1H-benzo[d][1,2,3]triazol-1-yl)acetic acid (CAS 125453-17-0)
- 4-Amino-1,2-dihydroisoquinolin-3(4H)-one (CAS 209983-18-6)
- 2-(Difluoromethyl)-6-fluoroimidazo[1,2-a]pyridine-3-carboxylic acid (CAS 2168347-64-4)
- 1,1,3,3,5,5, Hexamethyl diethoxy trisiloxane (CAS 75144-60-4)
- Sorafenib related compound 26 (CAS 573673-43-5)
- N-(2,4-dichlorophenyl)-2-((4-fluorophenyl)sulfonyl)acetamide (CAS 339107-64-1)
- N-(2-chloro-4-pivaloylpyridin-3-yl)pivalamide (CAS 1951444-95-3)
- 5-(Piperidin-1-yl)pent-3-yn-1-amine dihydrochloride (CAS 1416440-70-4)
- 2,5-Dibromo-3-(methoxymethyl)pyridine (CAS 1908499-54-6)
- 4-Pivaloylthiomorpholine-3-carboxylic acid (CAS 1544414-78-9)
- Semaglutide (CAS 910463-68-2（free base）)
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