4-(5-Methyl-1,2,4-oxadiazol-3-yl)-2-{[4-(trifluoromethoxy)phenyl]methyl}-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepine-1,3-dione CAS 1775346-21-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1775346-21-8 |
| Molecular Formula | C20H19F3N4O4 |
| Molecular Weight | 436.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(5-Methyl-1,2,4-oxadiazol-3-yl)-2-{[4-(trifluoromethoxy)phenyl]methyl}-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepine-1,3-dione (CAS 1775346-21-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H19F3N4O4. Molecular weight: 436.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H19F3N4O4 |
| Molecular Weight | 436.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 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]-N-[3-(propan-2-yl)phenyl]acetamide (CAS 1775338-53-8)
- 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-(2-ethylphenyl)acetamide (CAS 1775353-89-3)
- 4-[(3-Phenyl-1,2,4-oxadiazol-5-yl)methyl]-1-(3,4,5-trimethoxybenzoyl)piperidine (CAS 1775399-37-5)
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- 2-(5-Phenyl-1,3,4-oxadiazol-2-yl)dodecyl benzoate (CAS 56894-64-5)
- 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]-N-[(4-methoxyphenyl)methyl]acetamide (CAS 1775308-30-9)
- 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-methoxyphenyl)acetamide (CAS 1775386-91-8)
Recommended Standards
- 6-(3-(((Tert-butyldimethylsilyl)oxy)methyl)pyrrolidin-1-yl)-2-fluoro-3-iodopyridine (CAS 1228666-57-6)
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- 2-(3-((tert-Butyldimethylsilyloxy)methyl)-pyrrolidin-1-yl)-6-fluoro-4-iodopyridine (CAS 1228665-82-4)
- (E)-1-(2-ethyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-3-yl)-3-(4-methoxyphenyl)prop-2-en-1-one (CAS 1228572-21-1)
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- (1-Cyclopentylvinyl)benzene (CAS 75366-33-5)
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- 5-(Pyridin-3-yl)-1h-1,2,3-triazole-4-carbonitrile (CAS 884504-69-2)
- 4-(Cyclohexylamino)benzonitrile (CAS 180336-49-6)
- [Ser]8-Acetylated Semaglutide (CAS CATO-C4X-2226218)
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