4-Chloro-2-(5-mercapto-4-methyl-4H-1,2,4-triazol-3-yl)phenol CAS 273216-76-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 273216-76-5 |
| Molecular Formula | C9H8ClN3OS |
| Molecular Weight | 241.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2-(5-mercapto-4-methyl-4H-1,2,4-triazol-3-yl)phenol (CAS 273216-76-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H8ClN3OS. Molecular weight: 241.70 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H8ClN3OS |
| Molecular Weight | 241.70 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 5-chloro-2-[(1-methyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]aniline (CAS 1019390-35-2)
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- 2-Chloro-N-(5-methylbenzo[c][1,2,5]thiadiazol-4-yl)acetamide (CAS 842957-18-0)
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Recommended Standards
- 3-(Chloromethyl)-5-(2-(methylthio)pyridin-3-yl)-1,2,4-oxadiazole (CAS 252914-65-1)
- 5-((2-Chlorophenoxy)methyl)-1,3,4-thiadiazol-2-amine (CAS 84138-74-9)
- 1-(6-Chloropyridin-2-yl)-3-(methylthio)-1H-1,2,4-triazol-5-amine (CAS 338786-65-5)
- 5-Methyl-1-(4h-1,2,4-triazol-3-yl)-1h-1,2,4-triazole-3-carboxylic acid (CAS 929975-75-7)
- 3-(4-Fluorophenyl)-2-oxo-2H-chromen-7-yl acetate (CAS 549501-16-8)
- 5,6-Dihydro-2H-pyrazolo[3,4-e][1,2,4]triazine-3,7-dione (CAS 913962-38-6)
- 1-((1-(2-(Trifluoromethyl)pyrimidin-4-yl)piperidin-4-yl)methyl)pyrrolidin-2-one (CAS 123259-91-6)
- Ethyl 6-(cyano(phenyl)methyl)picolinate (CAS 1379526-97-2)
- 3-Chloro-N-(4-methoxybenzyl)-2-methylaniline (CAS 356537-01-4)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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