5-(2-Chloro-6-methylpyrimidin-4-yl)-4-(4-chlorophenyl)-4H-1,2,4-triazole-3-thiol CAS 266337-73-9
| CAS No. | 266337-73-9 |
| Molecular Formula | C13H9Cl2N5S |
| Molecular Weight | 338.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 338.22 g/mol gives 5-(2-Chloro-6-methylpyrimidin-4-yl)-4-(4-chlorophenyl)-4H-1,2,4-triazole-3-thiol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(2-Chloro-6-methylpyrimidin-4-yl)-4-(4-chlorophenyl)-4H-1,2,4-triazole-3-thiol (CAS 266337-73-9) is a high-purity analytical reference standard with the molecular formula C13H9Cl2N5S and a molecular weight of 338.22 g/mol.
Based on its molecular formula C13H9Cl2N5S, 5-(2-Chloro-6-methylpyrimidin-4-yl)-4-(4-chlorophenyl)-4H-1,2,4-triazole-3-thiol contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 338.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-(2-Chloro-6-methylpyrimidin-4-yl)-4-(4-chlorophenyl)-4H-1,2,4-triazole-3-thiol 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.
Physical & Chemical Properties
| Molecular Formula | C13H9Cl2N5S |
| Molecular Weight | 338.22 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 | 5 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 7-Chloro-2-(5-chlorothiophen-2-yl)-8-methylquinoline-4-carboxylic acid (CAS 862705-52-0)
- 7-Chloro-5-(3-chlorobenzyl)-2,3-dihydrobenzo[b][1,4]thiazepin-4(5H)-one (CAS 341968-09-0)
- 7-Chloro-5-(4-chlorobenzyl)-2,3-dihydrobenzo[b][1,4]thiazepin-4(5H)-one (CAS 341967-93-9)
- 7-Chloro-5-[(2-chlorophenyl)methyl]-2,3,4,5-tetrahydro-1,5-benzothiazepin-4-one (CAS 341968-08-9)
- 2-(2-Chloro-4-formylphenoxy)-N-(3-chloro-4-methylphenyl)acetamide (CAS 694468-76-3)
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Recommended Standards
- 4-Bromobenzyl 2-(methylthio)nicotinate (CAS 380564-45-4)
- 5-Bromo-2-(methylthio)-N-(m-tolyl)pyrimidine-4-carboxamide (CAS 880791-71-9)
- 2-Bromo-5-(4-methoxybenzyl)-5,6-dihydro-4H-thieno[2,3-c]pyrrol-4-one (CAS 2390380-51-3)
- 5-Bromo-2-(methylthio)-N-(o-tolyl)pyrimidine-4-carboxamide (CAS 872868-91-2)
- Methyl 5-(aminomethyl)-2-(difluoromethyl)benzoate hydrochloride (CAS 1381846-30-5)
- tert-Butyl (R)-2-(naphthalen-2-yl)piperazine-1-carboxylate (CAS 1260605-89-7)
- 4-(((Tert-butoxycarbonyl)amino)methyl)-2,3-difluorobenzoic acid (CAS 1436426-38-8)
- Thiazolo[5,4-b]pyridin-2-ylmethanamine (CAS 1203605-30-4)
- Trichloromethanesulfinyl Chloride (CAS 25004-95-9)
- Bis-[N-[2,6-(1-methylethyl)phenyl]-6-(1-naphthalenyl-κC2)-α-phenyl-2-pyridinemethanaminato(2-)-κN1,κN2]dimethylhafnium (CAS 426208-22-2)
- N-benzyl-1-methyl-4-(trifluoromethyl)piperidin-4-amine, trifluoroacetic acid (CAS 1797129-40-8)
- (3-pyridin-3-yl-1,2,4-oxadiazol-5-yl)methanol (CAS 1119451-10-3)
- Palladium, dichlorobis(3-chloropyridine-κN)-, (SP-4-1)- (CAS 852573-38-7)
- (Glu9)-Exenatide (2-39) trifluoroacetate salt (CAS 196109-34-9)
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