(3-((4-(2-Chlorophenyl)piperazin-1-yl)sulfonyl)thiophen-2-yl)(3,5-dimethyl-1H-pyrazol-1-yl)methanone CAS 1291487-01-8
| CAS No. | 1291487-01-8 |
| Molecular Formula | C20H21ClN4O3S2 |
| Molecular Weight | 464.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 464.99 g/mol gives (3-((4-(2-Chlorophenyl)piperazin-1-yl)sulfonyl)thiophen-2-yl)(3,5-dimethyl-1H-pyrazol-1-yl)methanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(3-((4-(2-Chlorophenyl)piperazin-1-yl)sulfonyl)thiophen-2-yl)(3,5-dimethyl-1H-pyrazol-1-yl)methanone (CAS 1291487-01-8), molecular formula C20H21ClN4O3S2 and molecular weight 464.99 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H21ClN4O3S2, (3-((4-(2-Chlorophenyl)piperazin-1-yl)sulfonyl)thiophen-2-yl)(3,5-dimethyl-1H-pyrazol-1-yl)methanone contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 464.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (3-((4-(2-Chlorophenyl)piperazin-1-yl)sulfonyl)thiophen-2-yl)(3,5-dimethyl-1H-pyrazol-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.
Physical & Chemical Properties
| Molecular Formula | C20H21ClN4O3S2 |
| Molecular Weight | 464.99 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; 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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Chlorophenyl Standards
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Recommended Standards
- 1-(2-{6-[(2-chloro-6-fluorophenyl)methyl]-5,7-dimethylpyrazolo[1,5-a]pyrimidin-2-yl}thiophen-3-yl)-2,5-dimethyl-1H-pyrrole (CAS 439111-87-2)
- 2-(((1H-Benzo[d]imidazol-2-yl)methyl)thio)-3-(4-chlorophenyl)-6,7-dihydro-3H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4(5H)-one (CAS 354795-49-6)
- N-(4-Chlorophenethyl)-3-((4-methoxy-N-methylphenyl)sulfonamido)thiophene-2-carboxamide (CAS 1116017-47-0)
- Methyl 3-((4-(5-chloro-2-methylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 899725-40-7)
- 4-Methyl-2-(4-nitrophenyl)oxazole-5-carboxylic acid (CAS 1243440-61-0)
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- 2,7-Di(2H-tetrazol-5-yl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (CAS 429693-19-6)
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- N-methyl-4-((3-(trifluoromethyl)pyridin-2-yl)oxy)benzenesulfonamide (CAS 1227955-09-0)
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