1-(5-Chloro-2-methoxyphenyl)-1h-pyrazole-4-sulfonyl chloride CAS 1334148-26-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1334148-26-3 |
| Molecular Formula | C10H8Cl2N2O3S |
| Molecular Weight | 307.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(5-Chloro-2-methoxyphenyl)-1h-pyrazole-4-sulfonyl chloride (CAS 1334148-26-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H8Cl2N2O3S. Molecular weight: 307.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H8Cl2N2O3S |
| Molecular Weight | 307.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 6-Chloro-2-(4-chlorophenyl)-3-hydroxyquinazolin-4(3H)-one (CAS 106038-62-4)
- 6-Chloro-2-(2-chlorophenyl)-3-hydroxy-3,4-dihydroquinazolin-4-one (CAS 338412-45-6)
- 6-Chloro-2-(3-chlorophenyl)-3-hydroxyquinazolin-4(3H)-one (CAS 338412-46-7)
- 7-Chloro-2-(2-chlorophenyl)-3-hydroxy-3,4-dihydroquinazolin-4-one (CAS 477864-76-9)
- 7-Chloro-2-(4-chlorophenyl)-3-hydroxyquinazolin-4(3H)-one (CAS 477864-77-0)
- 7-Chloro-3-(3-chlorophenyl)quinazoline-2,4(1H,3H)-dione (CAS 61680-22-6)
- 7-Chloro-3-(4-chlorophenyl)quinazoline-2,4(1H,3H)-dione (CAS 61680-20-4)
- (E)-3-(3-chloro-4-methoxyphenyl)-1-(4-chlorophenyl)prop-2-en-1-one (CAS 861207-58-1)
Recommended Standards
- (6-(4-(tert-Butoxycarbonyl)piperazin-1-yl)pyridin-2-yl)boronic acid (CAS 1264178-71-3)
- Ethyl 2-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)acetate (CAS 1346697-35-5)
- 4-Cyclopropoxy-2-iodo-3-(methylthio)pyridine (CAS 1243472-69-6)
- 2-Chloro-5-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096336-34-2)
- (S)-3-(2-Methoxyethoxy)pyrrolidine hydrochloride (CAS 1810074-91-9)
- 2,4-Dimethylthiazole-5-carbonitrile (CAS 1215959-36-6)
- Ethyl 3-fluoroisonicotinate (CAS 343-72-6)
- 2-fluoro-5-methylbenzene-1-sulfonyl chloride (CAS 870704-14-6)
- 2-Chloro-5-(trifluoromethyl)benzonitrile (CAS 328-87-0)
- Hexapeptide-1 (CAS CATO-CPTD788821)
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