N-(3-Ethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide CAS 1775554-51-2
| CAS No. | 1775554-51-2 |
| Molecular Formula | C22H25N5O4 |
| Molecular Weight | 423.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(3-Ethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (CAS 1775554-51-2), molecular formula C22H25N5O4 and molecular weight 423.47 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(3-Ethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (C22H25N5O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 423.47 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), N-(3-Ethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C22H25N5O4 |
| Molecular Weight | 423.47 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-Ethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (CAS 1775310-01-4)
- N-(4-Ethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (CAS 1775354-06-7)
- N-(1-(1-(4-Ethylphenyl)-1H-1,2,3-triazole-4-carbonyl)piperidin-4-yl)-2-(thiophen-2-yl)acetamide (CAS 1251592-29-6)
- (E)-5-(5-((1-(4-Ethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)methyl)furan-2-yl)isoindoline-1,3-dione (CAS 5846-96-8)
- Ethyl 1-(3-(4-ethylphenyl)-3-(2,2,2-trifluoroacetamido)propanoyl)piperidine-4-carboxylate (CAS 866019-27-4)
- N-(4-Ethylphenyl)-2-((5-(pyridin-4-yl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 499124-79-7)
- 1-(3-Ethylphenyl)-N-(4-(furan-2-carboxamido)benzyl)-5-oxopyrrolidine-3-carboxamide (CAS 1031138-02-9)
- N-(4-Ethylphenyl)-2-((5-((4-methoxybenzyl)thio)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 499103-87-6)
Recommended Standards
- N-(2,6-Dimethylphenyl)-2-[4-(5-ethyl-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 1775541-72-4)
- (3β)-24-Bromochol-5-en-3-ol (CAS 74041-57-9)
- 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-(3-methylphenyl)acetamide (CAS 1775444-97-7)
- 1-(Benzyloxy)-4-bromo-2-chloro-3-iodobenzene (CAS 2404733-58-8)
- N-(4,6-Difluorobenzo[d]thiazol-2-yl)-4-nitrobenzamide (CAS 313520-81-9)
- 5-Bromo-2-fluoro-3-methylaniline hydrochloride (CAS 2140326-17-4)
- N-[1-tert-Butyl-3-(4-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-4-fluorobenzamide (CAS 320422-03-5)
- 1,2-Bis(3-chlorophenyl)hydrazine (CAS 953-01-5)
- 4-(Tert-butyl) 1-methyl (S)-2-bromosuccinate (CAS 887143-08-0)
- (R)-2-((R)-2-Amino-3-phenylpropanamido)propanoic acid (CAS 76612-31-2)
- Tert-butyl (4-(cyanomethoxy)phenyl)carbamate (CAS 1099655-02-3)
- Carbidopa Impurity 25 (CAS CATO-C4X-231025)
- 7-Oxo-ganoderic acid Z (CAS 929248-72-6)
- FMRF Amide Related Peptide. (CAS 149471-12-5)
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