3-[1-(5-Chloro-2-fluorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one CAS 1775525-66-0
| CAS No. | 1775525-66-0 |
| Molecular Formula | C22H22ClFN4O3 |
| Molecular Weight | 444.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-[1-(5-Chloro-2-fluorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one 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.
3-[1-(5-Chloro-2-fluorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775525-66-0) is a high-purity analytical reference standard with the molecular formula C22H22ClFN4O3 and a molecular weight of 444.89 g/mol.
Based on its molecular formula C22H22ClFN4O3, 3-[1-(5-Chloro-2-fluorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 444.89 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C22H22ClFN4O3 |
| Molecular Weight | 444.89 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 3-[1-(2-Chloro-4-fluorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775365-93-9)
- 3-[1-(3-Chloro-4-fluorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775516-32-9)
- 3-[1-(4-Chloro-2-methoxybenzoyl)piperidin-4-yl]-4-[(4-fluorophenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775536-13-4)
- 2-{[2-(5-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methyl}thiophen-2-yl)-2-oxoethyl]sulfanyl}pyridin-1-ium-1-olate (CAS 339016-51-2)
- 3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-5,6-diphenyl-1,2,4-triazine (CAS 866133-97-3)
- N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(4-methoxyphenyl)-N',2-dimethylisoxazolidine-5-carbohydrazide (CAS 338774-93-9)
- Ethyl 1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-phenyl-1H-indole-2-carboxylate (CAS 338748-77-9)
- 3-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-6-(pyrimidin-2-ylsulfanyl)-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 321433-29-8)
Recommended Standards
- 3-{1-[2-(4-chlorophenoxy)acetyl]piperidin-4-yl}-4-[(4-fluorophenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775524-46-3)
- 4-((4-Chlorophenyl)sulfonyl)-N-(4-ethoxyphenyl)-2-(furan-2-yl)oxazol-5-amine (CAS 862794-89-6)
- N-(4-(4-Chlorophenyl)-5-methylthiazol-2-yl)-2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)acetamide (CAS 848341-57-1)
- 2-(4-Chlorobenzyl)-4-((3-(trifluoromethyl)benzyl)thio)quinazoline (CAS 303149-27-1)
- (3-((2-Hydroxyethyl)carbamoyl)phenyl)boronic acid (CAS 955422-14-7)
- (3-Bromophenyl)(4-chloro-3-methylphenyl)methanol (CAS 1443332-11-3)
- 2-(5-Acetyl-2-methoxyphenyl)acetonitrile (CAS 403499-85-4)
- 6-Chloro-2-dimethylamino-4-trifluoromethyl-nicotinamide (CAS 1311278-46-2)
- 2-(4-Methoxyphenyl)-1H-benzo[d]imidazole-5-carboxamide (CAS 178970-16-6)
- 3-(3-tert-Butoxycarbonylamino-phenyl)-3-oxo-propionic acid ethyl ester (CAS 1017781-47-3)
- 3-(1,4-Dioxaspiro[4.5]dec-7-en-8-yl)benzenemethanol (CAS 1632047-58-5)
- 3-(4-Chlorophenyl)-6-phenyl-8H-[1,3]oxazino[4,5-e][1,2,4]triazin-8-one (CAS 650608-90-5)
- tert-Butyl 3-(3-methoxyphenyl)piperazine-1-carboxylate (CAS 886768-09-8)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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