5-(2,5-Dichlorothiophen-3-yl)-1-(4-methoxyphenyl)-1H-pyrazole CAS 318256-33-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318256-33-6 |
| Molecular Formula | C14H10Cl2N2OS |
| Molecular Weight | 325.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(2,5-Dichlorothiophen-3-yl)-1-(4-methoxyphenyl)-1H-pyrazole (CAS 318256-33-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H10Cl2N2OS. Molecular weight: 325.21 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H10Cl2N2OS |
| Molecular Weight | 325.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dichlorothiophen Standards
- (E)-3-((3-(2,5-dichlorothiophen-3-yl)-3-oxoprop-1-en-1-yl)amino)benzonitrile (CAS 338402-44-1)
- (2E)-1-(2,5-Dichlorothiophen-3-yl)-3-[(4-methoxyphenyl)amino]prop-2-en-1-one (CAS 339103-75-2)
- N-(4-(2,5-Dichlorothiophen-3-yl)thiazol-2-yl)cyclopropanecarboxamide (CAS 392251-80-8)
- 1-((2,5-Dichlorothiophen-3-yl)sulfonyl)piperidin-4-ol (CAS 1154142-00-3)
- (2E)-1-(2,5-Dichlorothiophen-3-yl)-3-[(4-fluorophenyl)amino]prop-2-en-1-one (CAS 338402-14-5)
- 5-(2,5-Dichlorothiophen-3-yl)-1-(4-fluorophenyl)-1H-pyrazole (CAS 318256-32-5)
- 5-(2,5-Dichlorothiophen-3-yl)-1-(p-tolyl)-1H-pyrazole (CAS 321848-38-8)
- 1-((2,5-Dichlorothiophen-3-yl)sulfonyl)piperidine-3-carboxylic acid (CAS 923810-07-5)
Recommended Standards
- 4-(3-Butylureido)-2-chlorobenzene-1-sulfonyl chloride (CAS 728864-78-6)
- 5-[N-(3',5'-Bistrifluoromethylbenzyl)amino]-2-methyltetrazole (CAS 669080-86-8)
- 3-Methoxy-N-phenyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (CAS 883727-40-0)
- rel-(7R,8R)-3-nitro-7,8-dihydrobenzo[pqr]tetraphene-7,8-diol (CAS 97576-08-4)
- 1-[1-(2-methoxyethyl)-1H-pyrazol-4-yl]-5-oxopyrrolidine-3-carboxylic acid (CAS 1275458-73-5)
- 2-Phenyl-N-(p-tolyl)quinoline-4-carboxamide (CAS 88067-76-9)
- 4-[(1R)-1,5-Dimethyl-4-hexen-1-yl]-2-cyclohexen-1-one (CAS 196193-23-4)
- 3,5-Di-tert-butyl-4-hydroxybenzaldehyde (CAS 1620-98-0)
- 1,4-Butane-d8-diamine 2HCl (CAS 284665-22-1)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
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