Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(naphthalen-1-yl)-4H-pyran-3-carboxylate CAS 865660-04-4
| CAS No. | 865660-04-4 |
| Molecular Formula | C21H18N2O5 |
| Molecular Weight | 378.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(naphthalen-1-yl)-4H-pyran-3-carboxylate (C21H18N2O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 378.38 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(naphthalen-1-yl)-4H-pyran-3-carboxylate (CAS 865660-04-4), a certified reference material (molecular formula C21H18N2O5, MW 378.38 g/mol) for analytical method development and quality control.
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 | C21H18N2O5 |
| Molecular Weight | 378.38 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
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- Sodium (R)-2,3-bis(heptadecanoyloxy)propyl hydrogen phosphate (CAS 154804-54-3)
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- 5-Chloro-2-((2,6-dichlorobenzyl)oxy)benzoic acid (CAS 938355-18-1)
- 3-Methyl-1,4,5,6-tetrahydropyrrolo-[3,4-c]pyrazole hydrochloride (CAS 1389264-31-6)
- 5-Acetyl-6,7-dihydrobenzo[b]thiophen-4(5h)-one (CAS 19983-48-3)
- Methyl (1R,3R,4R)-3-hydroxy-7-azabicyclo[2.2.1]Heptane-1-carboxylate (CAS 1932309-98-2)
- 1,1,1-Trifluoro-3-(1H-pyrazol-1-yl)propan-2-ol (CAS 1342051-08-4)
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