5-(1-((4-Chlorophenyl)sulfonyl)-1H-pyrazol-3-yl)-2-phenylthiazole CAS 318255-91-3
| CAS No. | 318255-91-3 |
| Molecular Formula | C18H12ClN3O2S2 |
| Molecular Weight | 401.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(1-((4-Chlorophenyl)sulfonyl)-1H-pyrazol-3-yl)-2-phenylthiazole (CAS 318255-91-3), a certified reference material (molecular formula C18H12ClN3O2S2, MW 401.89 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H12ClN3O2S2, 5-(1-((4-Chlorophenyl)sulfonyl)-1H-pyrazol-3-yl)-2-phenylthiazole 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 401.89 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.
CATO manufactures 5-(1-((4-Chlorophenyl)sulfonyl)-1H-pyrazol-3-yl)-2-phenylthiazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H12ClN3O2S2 |
| Molecular Weight | 401.89 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Chlorophenyl Standards
- 2-((1-(3-Chlorophenyl)-1H-imidazol-2-yl)thio)-N-cyclopropyl-2-(4-fluorophenyl)acetamide (CAS 927025-35-2)
- 2-((4-Chlorophenyl)sulfonyl)-N-(2-(phenylsulfonyl)ethyl)acetamide (CAS 337923-53-2)
- 5-(3-Chlorophenyl)-N-(5,5-dimethyl-7-oxo-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)isoxazole-3-carboxamide (CAS 1388418-65-2)
- 2-((1-(3-Chlorophenyl)-1H-imidazol-2-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide (CAS 851078-95-0)
- 5-{[(3-chlorophenyl)methyl]sulfanyl}-8,9-dimethoxy-2H,3H-imidazo[1,2-c]quinazolin-2-one (CAS 439109-15-6)
- 2-(2-Chlorophenyl)-N-(1-(3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)acetamide (CAS 1396679-94-9)
- 2-((4-(4-Chlorophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-N,N-diethylacetamide (CAS 476483-81-5)
- 1-[(4-Chlorophenyl)sulfanyl]-4-[(4-methoxyphenoxy)methyl]-2-nitrobenzene (CAS 477869-42-4)
Recommended Standards
- 2-Acetamido-N1-(4-chlorobenzyl)-N3-(4-isopropylphenyl)malonamide (CAS 866039-24-9)
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- N1-(2-Chlorobenzyl)-N2-(2-(2-phenylmorpholino)ethyl)oxalamide (CAS 954004-29-6)
- BS-181 (CAS 1092443-52-1)
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- 5-(3,5-Dimethyl-4-methoxyphenyl)-3-methyl-5-oxovaleric acid (CAS 951893-86-0)
- 2-Hydroxy-4,5-difluorobenzaldehyde (CAS 199287-52-0)
- 2-((2,4-Dichlorobenzyl)amino)propane-1,3-diol (CAS 1492822-75-9)
- Benzoic acid, 2-(difluoromethoxy)-4-iodo-, methyl ester (CAS 1193467-19-4)
- 2-(3,5-Dimethoxyphenyl)cyclopropane-1-carboxylic acid (CAS 1157138-86-7)
- 1-Cyclopropyl-2,4-difluorobenzene (CAS 1394291-34-9)
- Methyl 4-(4-formyl-2-methoxyphenoxymethyl)benzoate (CAS 351336-10-2)
- Vancomycin Hexapeptide (CAS 115236-65-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com