5-Chloro-1-methyl-3-phenyl-4-((p-tolylthio)methyl)-1H-pyrazole CAS 318234-04-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318234-04-7 |
| Molecular Formula | C18H17ClN2S |
| Molecular Weight | 328.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chloro-1-methyl-3-phenyl-4-((p-tolylthio)methyl)-1H-pyrazole (CAS 318234-04-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H17ClN2S. Molecular weight: 328.86 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H17ClN2S |
| Molecular Weight | 328.86 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 | 1 |
Related Chloro Standards
- Methyl 3-chloro-4-(isopropylsulfonyl)-5-(methylthio)thiophene-2-carboxylate (CAS 175202-12-7)
- 5-Chloro-1-methyl-4-{[(3-methylphenyl)sulfanyl]methyl}-3-phenyl-1H-pyrazole (CAS 318234-15-0)
- 6-Chloro-3-(4-isopropylphenyl)-2-methylquinazoline-4(3H)-thione (CAS 823195-68-2)
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Recommended Standards
- 5-(4-Chlorophenyl)-1-[2-(propan-2-yl)phenyl]-1h-imidazole-2-thiol (CAS 793678-95-2)
- 2-{[(3-chlorophenyl)methyl]sulfanyl}-5H,6H,7H,8H,9H-cyclohepta[b]pyridine-3-carbonitrile (CAS 445384-15-6)
- 5-tert-Butyl-n'-(2-chloroacetyl)-4,5,6,7-tetrahydro-1-benzothiophene-2-carbohydrazide (CAS 794582-32-4)
- 4-[(2-Aminophenyl)sulfanyl]-3-nitrobenzenecarbaldehyde O-methyloxime (CAS 860786-01-2)
- 7-Hydroxy-5-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 13698-23-2)
- Dibenzo[b,d]thiophen-2-amine (CAS 7428-91-3)
- 1-(2,5-Dimethylphenyl)piperazine (CAS 1013-25-8)
- 3-Bromo-2-hydroxy-6-(trifluoromethyl)pyridine (CAS 1214391-40-8)
- 6-Chloro-3,4-dihydroquinolin-2(1H)-one (CAS 19358-40-8)
- [Ser]8-Acetylated Semaglutide (CAS CATO-C4X-2226218)
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