N-(2-methoxyphenyl)-2-(5-(morpholinosulfonyl)-2-oxopyridin-1(2H)-yl)acetamide CAS 1251690-66-0
| CAS No. | 1251690-66-0 |
| Molecular Formula | C18H21N3O6S |
| Molecular Weight | 407.44 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 N-(2-methoxyphenyl)-2-(5-(morpholinosulfonyl)-2-oxopyridin-1(2H)-yl)acetamide (CAS 1251690-66-0), a certified reference material (molecular formula C18H21N3O6S, MW 407.44 g/mol) for analytical method development and quality control.
Structurally, N-(2-methoxyphenyl)-2-(5-(morpholinosulfonyl)-2-oxopyridin-1(2H)-yl)acetamide (C18H21N3O6S) contains a flavonoid core, an amide group, a sulfone 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 407.44 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.
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.
Physical & Chemical Properties
| Molecular Formula | C18H21N3O6S |
| Molecular Weight | 407.44 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related N Standards
- N-(4-methoxyphenyl)-2-(5-(morpholinosulfonyl)-2-oxopyridin-1(2H)-yl)acetamide (CAS 1251593-96-0)
- N-(4-methoxyphenyl)-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxamide (CAS 477872-22-3)
- N-(4-methoxyphenyl)-1-methyl-5-(phenylthio)-3-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 321553-37-1)
- 3-(4-Methoxyphenyl)-1-(4-{[3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl]methyl}piperidin-1-yl)propan-1-one (CAS 1775377-00-8)
- (4-Methoxyphenyl)methyl N-[4,6-dimethyl-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridin-2-yl]carbamate (CAS 672950-53-7)
- 2-{[(2-methoxyphenyl)methyl]sulfanyl}-6-methyl-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-1,6-naphthyridine-3-carbonitrile (CAS 445384-90-7)
- 2-(4-Methoxyphenyl)-4-oxo-4H-chromen-3-yl 2-chlorobenzoate (CAS 306730-64-3)
- 1-(((4-(2-Methoxyphenyl)piperazin-1-yl)sulfonyl)methyl)-7,7-dimethylbicyclo[2.2.1]heptan-2-one (CAS 315692-82-1)
Recommended Standards
- 2-Fluoro-N-(1-(1-(p-tolyl)-1H-1,2,3-triazole-4-carbonyl)piperidin-4-yl)benzamide (CAS 1251624-31-3)
- Seltorexant (CAS 1293281-49-8)
- Methyl (2Z)-3-[(3,4-dimethoxyphenyl)amino]-2-(4-methoxybenzenesulfonyl)prop-2-enoate (CAS 1327176-84-0)
- Methyl (R)-N-(bis(4-methoxyphenyl)methyl)serinate S,S-dioxide (CAS 1212136-00-9)
- (4E)-4-{[(4,6-dimethylpyrimidin-2-yl)amino]methylidene}-2-(4-methylphenyl)-4,5-dihydro-1,3-oxazol-5-one (CAS 303998-87-0)
- 5-Chloro-2,3-difluorobenzoic acid (CAS 1227270-64-5)
- 2-Amino-3-ethoxy-6-fluorobenzoic acid (CAS 1333681-71-2)
- (S)-2-(Pyrrolidin-2-yl)pyridine dihydrochloride (CAS 2097073-17-9)
- (2-Chloro-5-(methylcarbamoyl)phenyl)boronic acid (CAS 2096338-17-7)
- 2-Methoxypyrimidine-4,6-diamine (CAS 856595-47-6)
- 2,3,4,6,11,11A-hexahydro-1H-pyrazino[1,2-b]isoquinoline (CAS 50290-83-0)
- 1-(4-Methoxy-3,5-dimethylphenyl)-3-methylbutan-1-one (CAS 1443324-53-5)
- Hexane-3,4-diylbis(4,1-phenylene) dipropionate (CAS 4825-53-0)
- Tau Peptide (301-315) trifluoroacetate salt (CAS 330456-48-9)
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