N-(2,6-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide CAS 1775554-00-1
| CAS No. | 1775554-00-1 |
| Molecular Formula | C21H23N5O4 |
| Molecular Weight | 409.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of N-(2,6-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
N-(2,6-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775554-00-1), molecular formula C21H23N5O4 and molecular weight 409.44 g/mol, is a CATO reference standard with documented purity and traceability.
N-(2,6-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (C21H23N5O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures N-(2,6-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H23N5O4 |
| Molecular Weight | 409.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 5 |
Related N Standards
- N-(2,5-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775308-37-6)
- N-(3,4-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775553-89-3)
- Ethyl 2-(4-(2,6-dimethylphenyl)piperazin-1-yl)-5-(thiophen-2-yl)-1H-pyrrole-3-carboxylate (CAS 478050-16-7)
- 5-{[(3,5-dimethylphenyl)methyl]sulfanyl}-2-ethyl-8,9-dimethoxy-[1,2,4]triazolo[1,5-c]quinazoline (CAS 1221715-41-8)
- Tris(2,6-dimethylphenyl) phosphate (CAS 121-06-2)
- Tris(2,5-dimethylphenyl) phosphate (CAS 19074-59-0)
- Bis(3,5-dimethylphenyl) (4-ethylphenyl) phosphate (CAS 7144-07-2)
- Tris(2,3-dimethylphenyl) phosphate (CAS 65695-97-8)
Recommended Standards
- 3-Phenyl-5-[1-(3,4,5-trimethoxybenzoyl)pyrrolidin-2-yl]-1,2,4-oxadiazole (CAS 1787855-63-3)
- 2-[4-(5-Methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]-N-[(4-methylphenyl)methyl]acetamide (CAS 1775524-00-9)
- 3-(3,4-Dimethoxyphenyl)-5-[1-(3-methoxybenzoyl)pyrrolidin-2-yl]-1,2,4-oxadiazole (CAS 1790341-16-0)
- 2-[4-(5-Ethyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]-N-phenylacetamide (CAS 1775507-88-4)
- (S)-2-(2-amino-3-phenylpropyl)isoindoline-1,3-dione (Hydrochloride) (CAS 187526-95-0)
- 5-(((4-Bromo-2,5-dimethoxyphenyl)amino)methylene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 133400-93-8)
- Tert-butyl (2-(trifluoromethyl)cyclobutyl)carbamate (CAS 1934414-76-2)
- 2-(2-Bromo-4-fluorobenzyl)-4,5-dichloropyridazin-3(2h)-one (CAS 1259181-19-5)
- Methyl 2-cyano-3-(4-nitrophenyl)acrylate (CAS 42348-04-9)
- 1-(3,4-Dimethylphenyl)butan-1-amine (CAS 91718-11-5)
- Benzofuran-3-carbaldehyde (CAS 4687-25-6)
- 4-(4-Methylpiperazin-1-yl)aniline dihydrochloride (CAS 125819-00-3)
- 5-Fluoro-4-iodoindolin-2-one (CAS 275386-75-9)
- Insulin degludec (CAS 844439-96-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com