4-chlorophenyl 2-(3,5-dimethyl-1H-pyrazol-1-yl)-4-phenyl-1,3-thiazol-5-yl sulfone 955976-35-9 KS-000038GL CAS 955976-35-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 955976-35-9 |
| Molecular Formula | C20H16ClN3O2S2 |
| Molecular Weight | 429.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-chlorophenyl 2-(3,5-dimethyl-1H-pyrazol-1-yl)-4-phenyl-1,3-thiazol-5-yl sulfone 955976-35-9 KS-000038GL (CAS 955976-35-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H16ClN3O2S2. Molecular weight: 429.94 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H16ClN3O2S2 |
| Molecular Weight | 429.94 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related chlorophenyl Standards
- 1-((2-Chlorophenyl)sulfonyl)-4-((4-methoxyphenyl)sulfonyl)piperidine (CAS 1448137-02-7)
- N-(2-((4-chlorophenyl)sulfonyl)ethyl)-2-tosylpropanamide (CAS 860609-56-9)
- N-(2-((4-chlorophenyl)sulfonyl)ethyl)-3-tosylpropanamide (CAS 337923-27-0)
- N-(3-(4-Chlorophenyl)allyl)-N-(2-(isoquinoline-5-sulfonamido)ethyl)formamide (CAS 130964-32-8)
- N-(3-Chlorophenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (CAS 1775338-32-3)
- N-(4-Chlorophenyl)-2-[4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775351-40-0)
- N-(2-Chlorophenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (CAS 1775403-62-7)
- N-[(2-Chlorophenyl)methyl]-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775503-23-5)
Recommended Standards
- Tert-butyl 4-(4-((4-chlorobenzamido)methyl)phenyl)piperazine-1-carboxylate (CAS 866018-62-4)
- Rupatadine Impurity 38 (CAS CATO-C4X-102738)
- Rupatadine impurity 6 (CAS 156523-04-5)
- [5-Fluoro-2-(pyridin-4-ylmethoxy)phenyl]boranediol (CAS 1313760-30-3)
- [2-Amino-4-(4-ethyl-phenyl)-thiazol-5-yl]-acetic acid hydrochloride (CAS 1185292-96-9)
- 3,5-Dibromo-2-chloro-4-methylpyridine (CAS 1000017-92-4)
- N-Desmethyl Ribociclib (CAS 1211441-59-6)
- Diphenhydramine impurity 16 (CAS CATO-C4X-142416)
- 2-Chloro Fenofibric Acid (CAS 61024-31-5)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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 13829788188 / jacky.chen@cato-chem.com