3-chloro-4-cyclopropyl-5-phenyl-4H-1,2,4-triazole CAS 1020035-36-2
| CAS No. | 1020035-36-2 |
| Molecular Formula | C11H10ClN3 |
| Molecular Weight | 219.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-chloro-4-cyclopropyl-5-phenyl-4H-1,2,4-triazole (CAS 1020035-36-2) is a high-purity analytical reference standard with the molecular formula C11H10ClN3 and a molecular weight of 219.67 g/mol.
Based on its molecular formula C11H10ClN3, 3-chloro-4-cyclopropyl-5-phenyl-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 219.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 3-chloro-4-cyclopropyl-5-phenyl-4H-1,2,4-triazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H10ClN3 |
| Molecular Weight | 219.67 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 1-(2-Chloro-8-methylquinolin-3-yl)ethanone (CAS 1017428-95-3)
- 6-Chloro-N-methyl-2-phenylpyrimidin-4-amine (CAS 1017782-49-8)
- 2-Chloro-3-(quinolin-6-yl)propanal (CAS 1029714-85-9)
- 6-Chloro-N-(p-tolyl)pyrazin-2(1h)-imine (CAS 1030187-29-1)
- 4-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid (CAS 1069473-61-5)
- 3-Chloro-N-cyclopropylquinoxalin-2-amine (CAS 1146080-50-3)
- 4-Chloro-6-ethyl-2-(pyridin-2-yl)pyrimidine (CAS 1153411-91-6)
- 4-Chloro-6-ethyl-2-(pyridin-4-yl)pyrimidine (CAS 1153412-18-0)
Recommended Standards
- 5-N-(3-chlorophenyl)pyridine-2,5-diamine (CAS 1018503-96-2)
- 2-((4-Chlorobenzyl)oxy)pyridine (CAS 1018349-32-0)
- n5-(4-Chlorophenyl)pyridine-2,5-diamine (CAS 1018281-51-0)
- 3-(4-Chlorophenoxy)aniline (CAS 105945-24-2)
- 3-(chloromethyl)-1-(difluoromethyl)-1H-pyrazole (CAS 1260659-01-5)
- (R)-2-methoxy-1-(2,3,4-trifluorophenyl)ethan-1-amine (CAS 1270004-79-9)
- 2-Methyl-5-propan-2-ylaniline (CAS 2051-53-8)
- 1-(4-Chlorophenyl)-4-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 893912-39-5)
- N-(2-Bromo-4-methylphenyl)-2-((4-(4-chlorophenyl)-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 476484-44-3)
- 4-[5-(Chloromethyl)-1,2,4-oxadiazol-3-yl]-benzoyl chloride (CAS 1119450-88-2)
- 5-Chloro-2,3-dibromo-1-fluorobenzene (CAS 92771-38-5)
- 3-(1-methyl-1H-pyrazol-5-yl)morpholine (CAS 1519707-06-2)
- 2-(4-(Difluoromethoxy)phenyl)cyclopropane-1-carboxylic acid (CAS 1157554-33-0)
- Hexapeptide-10 (CAS 146439-94-3)
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