1-(4-chlorophenyl)-5-methyl-1H-pyrazole-4-sulfonyl chloride CAS 1291374-78-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1291374-78-1 |
| Molecular Formula | C10H8Cl2N2O2S |
| Molecular Weight | 291.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-chlorophenyl)-5-methyl-1H-pyrazole-4-sulfonyl chloride (CAS 1291374-78-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H8Cl2N2O2S. Molecular weight: 291.15 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H8Cl2N2O2S |
| Molecular Weight | 291.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related chlorophenyl Standards
- 1-[(4-chlorophenyl)methyl]-1h-pyrazole-4-sulfonyl chloride (CAS 1179625-82-1)
- Bis(3-chlorophenyl)-1H-1,2,3,4-tetrazole (CAS 338411-24-8)
- 2,5-Bis-(3-chlorophenyl)-1,3,4-oxadiazole (CAS 2639-17-0)
- 2,5-Bis(4-chlorophenyl)-1,3,4-oxadiazole (CAS 2491-90-9)
- 2,2-Bis(4-chlorophenyl)cyclopropanecarbaldehyde (CAS 65498-79-5)
- 3,5-Bis(4-chlorophenyl)-4,5-dihydro-1H-pyrazole (CAS 50800-82-3)
- Bis[(3-chlorophenyl)methyl](cyano)amine (CAS 866048-83-1)
- 1-(2-Chlorophenyl)-3-(4-(methylthio)phenyl)propan-1-one (CAS 898781-48-1)
Recommended Standards
- 4-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)morpholine (CAS 1283180-64-2)
- 4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)morpholine (CAS 1310384-38-3)
- N-(2-Methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetamide (CAS 1256360-26-5)
- 3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl 3-(trifluoromethyl)benzoate (CAS 338978-06-6)
- Prosolvin (CAS 73523-00-9)
- Vacquinol-1 (CAS 5428-80-8)
- 3-Bromo-4-(pyrrolidin-2-yl)pyridine (CAS 1270362-48-5)
- 4-Cyclopropylbenzene-1-sulfonyl chloride (CAS 167404-32-2)
- Imidazo[1,2-a]pyridin-2-ylmethanamine hydrobromide (CAS 1171433-91-2)
- Acetyl tetrapeptide-3 (CAS 827306-88-7)
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