3-(2-Chlorophenyl)-1-(p-tolyl)-1H-pyrazol-5-amine CAS 618092-92-5
| CAS No. | 618092-92-5 |
| Molecular Formula | C16H14ClN3 |
| Molecular Weight | 283.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-(2-Chlorophenyl)-1-(p-tolyl)-1H-pyrazol-5-amine (CAS 618092-92-5), molecular formula C16H14ClN3 and molecular weight 283.76 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H14ClN3, 3-(2-Chlorophenyl)-1-(p-tolyl)-1H-pyrazol-5-amine 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 283.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 3-(2-Chlorophenyl)-1-(p-tolyl)-1H-pyrazol-5-amine 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 | C16H14ClN3 |
| Molecular Weight | 283.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 1-benzyl-3-(3-chlorophenyl)-1H-pyrazol-5-amine (CAS 1154569-19-3)
- 1-(4-Chlorophenyl)-4-p-tolyl-1H-pyrazol-5-amine (CAS 1202029-96-6)
- 1-(3-Chlorophenyl)-3-(m-tolyl)-1H-pyrazol-5-amine (CAS 618098-32-1)
- 1-(3-Chlorophenyl)-3-(o-tolyl)-1H-pyrazol-5-amine (CAS 618098-33-2)
- 1-(3-Chlorophenyl)-3-(p-tolyl)-1H-pyrazol-5-amine (CAS 618098-27-4)
- 1-(3-Chlorophenyl)-4-(2-methylphenyl)-1H-pyrazol-5-amine (CAS 324009-02-1)
- 1-(3-Chlorophenyl)-4-(m-tolyl)-1H-pyrazol-5-amine (CAS 242797-15-5)
- 1-(3-Chlorophenyl)-4-(p-tolyl)-1H-pyrazol-5-amine (CAS 242797-19-9)
Recommended Standards
- 3-(2-Chlorophenyl)-1-(o-tolyl)-1H-pyrazol-5-amine (CAS 618098-40-1)
- 3-(4-Chlorophenyl)-1-(o-tolyl)-1H-pyrazol-5-amine (CAS 618098-35-4)
- 2-Chloro-N-methyl-N-(p-tolyl)quinazolin-4-amine (CAS 827030-34-2)
- 3-(4-Chlorophenyl)-1-(p-tolyl)-1H-pyrazol-5-amine (CAS 84637-30-9)
- Ethyl 2-amino-4-chloro-1H-imidazole-5-carboxylate (CAS 2091036-90-5)
- 1-(2,6-Dimethylmorpholino)-3-methylbut-2-en-1-one (CAS 95594-79-9)
- (S)-cyclopropyl(2,4-difluorophenyl)methanamine (CAS 1213543-02-2)
- N6-Benzoyl-2,3-isopropylideneadenosine (CAS 39947-04-1)
- (4-(Tert-butyl)-5-methylfuran-2-yl)(phenyl)methanol (CAS 944670-59-1)
- 3-(6-Oxo-4-(trifluoromethyl)pyrimidin-1(6H)-yl)-5-(trifluoromethyl)pyridine-2-carbothioamide (CAS 1823187-97-8)
- 4,6-Dichloro-5-methyl-2-(methylsulfonyl)pyrimidine (CAS 98814-28-9)
- (1-Phenyl-1H-1,2,4-triazol-5-yl)methanamine (CAS 1698714-42-9)
- (4'-Bromo-[1,1'-biphenyl]-2-yl)(methyl)sulfane (CAS 1443349-83-4)
- [y-Glu15]-Semaglutide Impurity 134 (CAS CATO-C4X-2226134)
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