4-(4-Chlorophenyl)-5-mercapto-4H-1,2,4-triazol-3-ol CAS 89894-23-5
| CAS No. | 89894-23-5 |
| Molecular Formula | C8H6ClN3OS |
| Molecular Weight | 227.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(4-Chlorophenyl)-5-mercapto-4H-1,2,4-triazol-3-ol (CAS 89894-23-5), a certified reference material (molecular formula C8H6ClN3OS, MW 227.67 g/mol) for analytical method development and quality control.
The molecular framework of 4-(4-Chlorophenyl)-5-mercapto-4H-1,2,4-triazol-3-ol (C8H6ClN3OS) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H6ClN3OS |
| Molecular Weight | 227.67 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.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 3-(3-Chlorophenyl)thiazolidine-2,4-dione (CAS 1013-68-9)
- 3-(2-Chlorophenyl)-1,3-thiazolidine-2,4-dione (CAS 73219-83-7)
- 3-(4-Chlorophenyl)-1,3-thiazolidine-2,4-dione (CAS 51964-23-9)
- 4-(4-Chlorophenyl)-2,6-piperidinedione-d4 (CAS 1346597-83-8)
- n-[(4-chlorophenyl)methyl]-1-(hydrazinecarbonyl)formamide (CAS 869947-04-6)
- 1-(4-Chlorophenyl)indolizine (CAS 101094-57-9)
- 2-(2-Chlorophenyl)-n-(3-hydroxypropyl)acetamide (CAS 1156897-71-0)
- 2-(4-chlorophenyl)-2-(dimethylamino)propanoic acid (CAS 1157479-33-8)
Recommended Standards
- 3-Chloro-N-hydroxybenzo[b]thiophene-2-carboxamide (CAS 383892-69-1)
- 4-CHLOROTHIENO[2,3-C]PYRIDINE-2-CARBOXYLIC ACID METHYL ESTER (CAS 251996-85-7)
- 6-(2-Chloroacetyl)benzo[d]thiazol-2(3H)-one (CAS 99615-55-1)
- Fasudil Impurity 23 (CAS 84468-15-5)
- Ethylene Trithiocarbonate (CAS 822-38-8)
- 1-(3-Chloro-2-fluorophenyl)ethanamine (CAS 1270509-22-2)
- 2-Chloro-5-phenylphenol (CAS 18773-38-1)
- N-methyl-N-(piperidin-3-yl)methanesulfonamide (CAS 1179970-60-5)
- 2,3-Dichloro-3-(2-methylphenyl)propiophenone (CAS 898789-93-0)
- 6,6-Dimethyl-4-oxo-4,5,6,7-tetrahydrobenzofuran-2-carboxylic acid (CAS 1023814-63-2)
- (5-Methylfuran-3-yl)boronic acid (CAS 1146616-02-5)
- 4-Chloro-N-(2-(hydroxyamino)-2-oxoethyl)benzamide (CAS 38274-54-3)
- 4,6-Dimethyl-1h-pyrazolo[3,4-b]pyridine-3-sulfonyl chloride (CAS 134310-07-9)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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