N-(2-(5-(2-Hydroxyphenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide CAS 921043-18-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 921043-18-7 |
| Molecular Formula | C21H19N3O4S2 |
| Molecular Weight | 441.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N-(2-(5-(2-Hydroxyphenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 921043-18-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H19N3O4S2. Molecular weight: 441.52 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H19N3O4S2 |
| Molecular Weight | 441.52 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related N Standards
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- 2-((5-(4-Hydroxyphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(4-nitrophenyl)acetamide (CAS 500118-42-3)
- N1-(4-Hydroxyphenyl)-N1-octadecyloxalamide (CAS 166890-65-9)
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- 1,3-Bis[4-(4-hydroxyphenyl)-2-thiazolyl]benzene (CAS 1421262-08-9)
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Recommended Standards
- LY 2109761 (CAS 700874-71-1)
- Reversan (CAS 313397-13-6)
- Fmoc-homoPhe(4-cyclopropyl)-OH (CAS 2350008-41-0)
- 1-(2,4-dichlorophenyl)-3-{5-[2-(trifluoromethoxy)phenyl]-2-furyl}prop-2-en-1-one (CAS 259196-59-3)
- 6,8,9-Trichloro-2,3-dihydro-1H-cyclopenta[b]quinoline (CAS 1017402-53-7)
- 2-(2-Fluoro-5-methoxypyridin-3-yl)acetic acid (CAS 1227564-07-9)
- Tert-butyl (N-(thiazol-2-yl)sulfamoyl)carbamate (CAS 1017782-67-0)
- 1,2,3,4,9-Pentabromodibenzo[b,d]furan (CAS 617707-96-7)
- N-[2-(3-methyl-1,2,4-oxadiazol-5-yl)ethyl]azetidine-3-carboxamide,CF3COOH (CAS 1701675-32-2)
- ((Cys31,Nva34)-Neuropeptide Y (27-36))2 (CAS 172997-92-1)
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