2,6-Bis(4,5-dihydro-2-oxazolyl)-4-(3,5-di-2-thienylphenyl)pyridine CAS 1193725-34-6
| CAS No. | 1193725-34-6 |
| Molecular Formula | C25H19N3O2S2 |
| Molecular Weight | 457.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 2,6-Bis(4,5-dihydro-2-oxazolyl)-4-(3,5-di-2-thienylphenyl)pyridine (CAS 1193725-34-6), a certified reference material (molecular formula C25H19N3O2S2, MW 457.57 g/mol) for analytical method development and quality control.
Structurally, 2,6-Bis(4,5-dihydro-2-oxazolyl)-4-(3,5-di-2-thienylphenyl)pyridine (C25H19N3O2S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 457.57 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.
As a certified reference material (CRM), 2,6-Bis(4,5-dihydro-2-oxazolyl)-4-(3,5-di-2-thienylphenyl)pyridine 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 | C25H19N3O2S2 |
| Molecular Weight | 457.57 g/mol |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Bis Standards
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Recommended Standards
- 1-(Benzofuro[3,2-d]pyrimidin-4-yl)-N-(3-(ethyl(phenyl)amino)propyl)piperidine-3-carboxamide (CAS 1113118-24-3)
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- N-(4-(4-Methoxyphenyl)thiazol-2-yl)-1-(phenylsulfonyl)piperidine-2-carboxamide (CAS 1008671-38-2)
- 3-(Furan-2-ylmethyl)-5-((1-phenyl-3-(p-tolyl)-1H-pyrazol-4-yl)methylene)-2-thioxothiazolidin-4-one (CAS 313362-43-5)
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