5-Chloro-1-methyl-3,4-bis((p-tolylthio)methyl)-1H-pyrazole CAS 318248-69-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318248-69-0 |
| Molecular Formula | C20H21ClN2S2 |
| Molecular Weight | 388.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-1-methyl-3,4-bis((p-tolylthio)methyl)-1H-pyrazole (CAS 318248-69-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H21ClN2S2. Molecular weight: 388.98 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H21ClN2S2 |
| Molecular Weight | 388.98 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Chloro Standards
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Recommended Standards
- 4-(2-Aminoethyl)-2,6-diiodophenol (CAS 370-00-3)
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- 2,2',3,3',4,4'-Hexachlorodiphenyl Ether (CAS 71585-39-2)
- 1-(Benzo[d][1,3]dioxol-5-ylmethyl)-6,7-dimethoxyisoquinoline (CAS 3407-72-5)
- 2-(4-Ethoxy-3-(trifluoromethyl)phenyl)acetonitrile (CAS 1206593-35-2)
- N-(Cyclopent-1-en-1-yl)aniline (CAS 65601-65-2)
- 2-Hydrazinyl-3,8-dimethylquinoline hydrochloride (CAS 1170368-78-1)
- N-(5-bromothiazolo[5,4-b]pyridin-2-yl)acetamide (CAS 1112982-76-9)
- Avibactam Impurity 60 (CAS CATO-C4X-134860)
- (D-Trp32)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 153549-78-1)
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