3-(2-Chlorophenyl)-4,5-diphenyl-4H-1,2,4-triazole CAS 320576-18-9
| CAS No. | 320576-18-9 |
| Molecular Formula | C20H14ClN3 |
| Molecular Weight | 331.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H14ClN3, 3-(2-Chlorophenyl)-4,5-diphenyl-4H-1,2,4-triazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.80 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.
CATO supplies 3-(2-Chlorophenyl)-4,5-diphenyl-4H-1,2,4-triazole (CAS 320576-18-9), a certified reference material (molecular formula C20H14ClN3, MW 331.80 g/mol) for analytical method development and quality control.
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 3-(2-Chlorophenyl)-4,5-diphenyl-4H-1,2,4-triazole 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 | C20H14ClN3 |
| Molecular Weight | 331.80 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 2-{4-[(3-chlorophenyl)methyl]piperazin-1-yl}pyridine-3-carboxylic acid (CAS 1053960-15-8)
- 2-(4-(4-Chlorophenyl)piperazin-1-yl)-2-(pyridin-3-yl)acetic acid (CAS 885276-88-0)
- 5-((4-Chlorophenyl)sulfonyl)-N,N-dimethyl-1,2,3-thiadiazole-4-carboxamide (CAS 306977-08-2)
- Methyl 6-(4-(3-chlorophenyl)piperazin-1-yl)nicotinate (CAS 400086-68-2)
- N-(3-Chlorophenyl)-2-(6-methyl-3-oxo-5,6,7,8-tetrahydrocinnolin-2(3H)-yl)acetamide (CAS 933005-33-5)
- N-(3-Chlorophenyl)-5-(quinolin-8-yl)pyridin-3-amine (CAS 875147-06-1)
- 3-[(3-Chlorophenyl)amino]-2-phenyl-1H-inden-1-one (CAS 1020252-39-4)
- 4-(4-Chlorophenyl)-7,7-dimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-2-carboxylic acid (CAS 1233334-75-2)
Recommended Standards
- 2-Chloro-9-isopropyl-N-(4-methoxybenzyl)-9H-purin-6-amine (CAS 203436-13-9)
- Methyl 3-(N-(2-chlorophenyl)sulfamoyl)thiophene-2-carboxylate (CAS 941936-00-1)
- 1-(4-Chloro-6-(piperidin-1-yl)pyrimidin-2-yl)-3-phenylurea (CAS 339017-96-8)
- 1-(3-Chlorophenylamino)-4-phenylphthalazine (CAS 78351-75-4)
- 1-(4-Chloro-3-nitrophenyl)-2,6-dimethyl-1,5,6,7-tetrahydro-4H-indol-4-one (CAS 1022675-06-4)
- Furan-2-yl(pyridin-3-yl)methanol (CAS 89667-21-0)
- Benzo[b]thiophene-4-carboximidamide hydrochloride (CAS 154650-84-7)
- 2-(3-Chloro-2-methylphenyl)ethan-1-ol (CAS 1314898-23-1)
- 1-(2,4-Difluorophenyl)-3,3-dimethylbutan-1-one (CAS 898764-94-8)
- 4-(Propoxycarbonyl)benzofuran-3,5,6,7-tetracarboxylic acid (CAS 71559-12-1)
- 5-(Trifluoromethyl)quinolin-3-amine (CAS 2168449-89-4)
- 3-[3-(propan-2-yl)-1,2,4-oxadiazol-5-yl]propan-1-amine hydrochloride (CAS 1235439-76-5)
- Lornoxicam Impurity 104 (CAS CATO-C4X-2016104)
- Liraglutide Impurity 22 (CAS 536721-25-2)
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 18665070610 / Nicole.chen@cato-chem.com