4-(3,5-Bis(4-methoxyphenyl)-1H-pyrazol-1-yl)benzenesulfonamide CAS 143809-39-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 143809-39-6 |
| Molecular Formula | C23H21N3O4S |
| Molecular Weight | 435.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(3,5-Bis(4-methoxyphenyl)-1H-pyrazol-1-yl)benzenesulfonamide (CAS 143809-39-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H21N3O4S. Molecular weight: 435.50 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C23H21N3O4S |
| Molecular Weight | 435.50 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Bis Standards
- 3-(3-Methoxyphenyl)-1-(4-{[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidin-1-yl)propan-1-one (CAS 1775298-12-8)
- Methyl 3-(4-{[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidine-1-carbonyl)benzoate (CAS 1775304-10-3)
- 2-{[(4-methoxyphenyl)carbamoyl]amino}-2-phenylethyl N-(4-methoxyphenyl)carbamate (CAS 338963-00-1)
- 2-(2-(1-(4-(4-Methoxyphenyl)thiazol-2-yl)-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)benzoic acid (CAS 314290-54-5)
- 1-(2-Methoxyphenyl)-4-((2,4,5-trichlorophenyl)sulfonyl)piperazine (CAS 669726-08-3)
- Ethyl 2-{[4-(4-methoxyphenyl)-1,3-thiazol-2-yl][4-(trifluoromethyl)phenyl]amino}acetate (CAS 860784-12-9)
- Methyl 4-{4-[5-(4-methoxyphenyl)-1H-pyrazol-3-yl]piperidin-1-yl}-3-nitrobenzoate (CAS 1026093-45-7)
- 3-[4-(4-Methoxyphenyl)piperazine-1-carbonyl]-5-methyl-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazolin-11-one (CAS 1574560-79-4)
Recommended Standards
- N-(2-Ethoxyphenyl)-2-[7-(4-methoxyphenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-3-yl]acetamide (CAS 1207048-94-9)
- (2E)-2-{4-[2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)ethyl]-1,3-thiazol-2-yl}-3-(naphthalen-1-yl)prop-2-enenitrile (CAS 866051-09-4)
- 3-{3-tert-butyl-1-methyl-4-oxo-1H,4H-indeno[1,2-c]pyrazol-6-yl}-1-(4-nitrophenyl)thiourea (CAS 1119392-40-3)
- tert-butyl N-[(4-bromo-1-methyl-1H-pyrazol-5-yl)methyl]carbamate (CAS 2018251-37-9)
- 1244-78-6 2-(3,4-Dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one 2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-one 3-Hydroxy-3',4', 5,7-tetramethoxyflavone 4H-1-Benzopyran-4-one, 2-(3, 4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy- Flavone, 3-hydroxy-3',4',5,7-tetramethoxy- NSC102049 Quercetin tetramethyl(3',4',5,7) ether (CAS 1244-78-6)
- (4-(Thiazol-2-yl)furan-2-yl)boronic acid (CAS 2096336-38-6)
- 3-(3-Amino-2,4,6-triiodophenyl)propanoic acid (CAS 1206-91-3)
- 4-Bromo-1-butyl-1H-pyrazole-3-carboxylic acid (CAS 1006493-75-9)
- (4-Chloro-2-propylpyrimidin-5-yl)boronic acid (CAS 2225177-29-5)
- Liraglutide Impurity 28 (CAS CATO-C4X-199228)
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