2-(4-Chlorophenyl)-2H-indazole CAS 61073-53-8
| CAS No. | 61073-53-8 |
| Molecular Formula | C13H9ClN2 |
| Molecular Weight | 228.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H9ClN2, 2-(4-Chlorophenyl)-2H-indazole 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 228.68 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.
2-(4-Chlorophenyl)-2H-indazole (CAS 61073-53-8), molecular formula C13H9ClN2 and molecular weight 228.68 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C13H9ClN2 |
| Molecular Weight | 228.68 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 2-(4-Chlorophenyl)-1H-benzo[d]imidazole (CAS 1019-85-8)
- 4-[(4-chlorophenyl)amino]benzonitrile (CAS 1040022-25-0)
- 1-(3-chlorophenyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1542750-06-0)
- 2-(3-chlorophenyl)imidazo[1,2-a]pyridine (CAS 158959-20-7)
- 2-[6-(2-Chlorophenyl)pyridin-2-yl]acetonitrile (CAS 1822833-27-1)
- 2-[6-(3-Chlorophenyl)pyridin-2-yl]acetonitrile (CAS 1824263-95-7)
- 2-(4-Chlorophenyl)imidazo[1,2-a]pyridine (CAS 38922-74-6)
- 2-[6-(4-Chlorophenyl)pyridin-2-yl]acetonitrile (CAS 23168-76-5)
Recommended Standards
- 2-(4-Chlorophenoxy)-2-methylpropanohydrazide (CAS 29771-66-2)
- 2-(4-Chloro-2-methylphenoxy)propanehydrazide (CAS 36304-48-0)
- 2-(Chloromethyl)-4-phenylnicotinonitrile (CAS 817555-70-7)
- 2-(2-Chloro-5-methylphenoxy)propanehydrazide (CAS 588680-01-7)
- 4-(Isobutylamino)nicotinic acid (CAS 1507753-86-7)
- 1-[6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3-yl]methanamine dihydrochloride (CAS 1049717-07-8)
- 5-Chloro-2-formylbenzonitrile (CAS 77532-88-8)
- 2-(4-Cyanophenyl)-1H-benzo[d]imidazole-5-carboxylic acid (CAS 175401-95-3)
- 2-(((2,5-Diethoxyphenyl)amino)methyl)-6-ethoxyphenol (CAS 1232785-27-1)
- N-(4-(2-Bromoacetyl)phenyl)ethanesulfonamide (CAS 113049-25-5)
- 2-((2-Bromophenyl)thio)-n'-hydroxyacetimidamide (CAS 1097168-16-5)
- 5,5'-(((5-Carboxy-1,3-phenylene)bis(methylene))bis(oxy))diisophthalicacid (CAS 1544500-13-1)
- 5-methoxy-2,3,6,7-tetrahydro-1$l^{6},4-thiazepine-1,1-dione (CAS 2059937-84-5)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
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