3-[1-(3-Chlorobenzoyl)piperidin-4-yl]-4-(4-methylphenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one CAS 1775357-62-4
| CAS No. | 1775357-62-4 |
| Molecular Formula | C21H21ClN4O2 |
| Molecular Weight | 396.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 396.87 g/mol gives 3-[1-(3-Chlorobenzoyl)piperidin-4-yl]-4-(4-methylphenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-[1-(3-Chlorobenzoyl)piperidin-4-yl]-4-(4-methylphenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775357-62-4) is a high-purity analytical reference standard with the molecular formula C21H21ClN4O2 and a molecular weight of 396.87 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 3-[1-(3-Chlorobenzoyl)piperidin-4-yl]-4-(4-methylphenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 396.87 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 3-[1-(3-Chlorobenzoyl)piperidin-4-yl]-4-(4-methylphenyl)-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.
Physical & Chemical Properties
| Molecular Formula | C21H21ClN4O2 |
| Molecular Weight | 396.87 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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 | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chlorobenzoyl Standards
- 1-(4-Chlorobenzoyl)-4-{[(4-chlorophenyl)sulfanyl]methyl}piperidin-4-ol (CAS 478248-10-1)
- 5-(4-(4-Chlorobenzoyl)piperazin-1-yl)-6-phenylpyridazin-3(2H)-one (CAS 477863-44-8)
- 6-(4-Chlorobenzoyl)-4-(3-chlorophenyl)quinolin-2(1H)-one (CAS 192187-32-9)
- 4-(4-Chlorobenzoyl)-1-(furan-2-ylmethyl)-3-hydroxy-5-(thiophen-2-yl)-1H-pyrrol-2(5H)-one (CAS 618074-50-3)
- 4-{[2-(4-chlorobenzoyl)-5-(trifluoromethyl)pyridin-3-yl]oxy}phenol (CAS 338959-85-6)
- (E)-({4-[4-(3-chlorobenzoyl)piperazin-1-yl]-3-nitrophenyl}methylidene)(methoxy)amine (CAS 383147-23-7)
- Methyl 3-[1-(4-chlorobenzoyl)-3-methyl-1H-pyrazole-4-amido]thiophene-2-carboxylate (CAS 321574-10-1)
- 5-(4-Chlorobenzoyl)-2-(phenylamino)-4-(1H-pyrrol-1-yl)thiophene-3-carbonitrile (CAS 338401-16-4)
Recommended Standards
- 4-(3-(4-Chlorophenyl)-1H-pyrazol-5-yl)-1-(4-nitrobenzyl)piperidine (CAS 156336-87-7)
- 3-{1-[2-(4-chlorophenyl)acetyl]piperidin-4-yl}-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775519-17-9)
- 1-(2-Chlorophenyl)-3-[1-(3-phenyl-1,2,4-oxadiazol-5-yl)cyclohexyl]urea (CAS 1396860-25-5)
- 1,9,10,11,12,12-Hexachloro-5-oxatetracyclo[7.2.1.0^{2,8}.0^{4,6}]dodec-10-ene-3,7-dione (CAS 38667-80-0)
- 4-((4-(tert-Butyl)phenyl)sulfonamido)benzoic acid (CAS 708996-17-2)
- 8-Fluoroquinoline-5-carbaldehyde (CAS 1936339-14-8)
- 3,6-dimethylpyridazine-4-carboxylic acid (CAS 1017485-56-1)
- 4-{thieno[2,3-b]quinoline-2-carbonyl}morpholine (CAS 478079-41-3)
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