| CAS No. | 150536-01-9 |
| Molecular Formula | C12H12ClN3O2S |
| Molecular Weight | 297.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
{[5-(4-chlorophenyl)-4-ethyl-4H-1,2,4-triazol-3-yl]thio}acetic acid (CAS 150536-01-9), molecular formula C12H12ClN3O2S and molecular weight 297.76 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of {[5-(4-chlorophenyl)-4-ethyl-4H-1,2,4-triazol-3-yl]thio}acetic acid (C12H12ClN3O2S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures {[5-(4-chlorophenyl)-4-ethyl-4H-1,2,4-triazol-3-yl]thio}acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C12H12ClN3O2S |
| Molecular Weight | 297.76 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |