| CAS No. | 1183939-70-9 |
| Molecular Formula | C15H16ClN3OS |
| Molecular Weight | 321.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 321.83 g/mol gives (4-Chloropyridin-2-yl)(4-(thiophen-3-ylmethyl)piperazin-1-yl)methanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(4-Chloropyridin-2-yl)(4-(thiophen-3-ylmethyl)piperazin-1-yl)methanone (CAS 1183939-70-9) is a high-purity analytical reference standard with the molecular formula C15H16ClN3OS and a molecular weight of 321.83 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, (4-Chloropyridin-2-yl)(4-(thiophen-3-ylmethyl)piperazin-1-yl)methanone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 321.83 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), (4-Chloropyridin-2-yl)(4-(thiophen-3-ylmethyl)piperazin-1-yl)methanone 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.
| Molecular Formula | C15H16ClN3OS |
| Molecular Weight | 321.83 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |