3-(2,3,4-Trichlorophenyl)-1H-pyrazol-5-amine CAS 502133-06-4
| CAS No. | 502133-06-4 |
| Molecular Formula | C9H6Cl3N3 |
| Molecular Weight | 262.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H6Cl3N3, 3-(2,3,4-Trichlorophenyl)-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 262.52 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-(2,3,4-Trichlorophenyl)-1H-pyrazol-5-amine (CAS 502133-06-4), a certified reference material (molecular formula C9H6Cl3N3, MW 262.52 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.
As a certified reference material (CRM), 3-(2,3,4-Trichlorophenyl)-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 | C9H6Cl3N3 |
| Molecular Weight | 262.52 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Trichlorophenyl Standards
- 5-(2,4,5-Trichlorophenyl)-1,3,4-oxadiazol-2-amine (CAS 62035-99-8)
- 5-(2,4,5-Trichlorophenyl)-1H-1,2,4-triazol-3(2H)-one (CAS 62036-28-6)
- n-(1-(2,3,4-Trichlorophenyl)ethyl)cyclopropanamine (CAS 1158060-10-6)
- 4-(3,4,5-Trichlorophenyl)piperidine (CAS 1853217-61-4)
- 2,4,6-Trichlorophenyl chloroformate (CAS 4511-19-7)
- 2-(2,4,6-Trichlorophenyl)pyrimidine (CAS 1217189-20-2)
- 2-(2,3,4-Trichlorophenyl)pyrimidine (CAS 1361476-90-5)
- 2-(2,3,5-Trichlorophenyl)pyrimidine (CAS 1361706-59-3)
Recommended Standards
- 2,4,8-Trichloro-7-methoxyquinoline (CAS 893620-26-3)
- 3-(Chloromethyl)-5-(3,4-dichlorophenyl)-1,2-oxazole (CAS 338776-97-9)
- 2,2,2-Trichloro-1-(1H-indol-3-yl)ethan-1-one (CAS 30030-90-1)
- 5-(Chloromethyl)-3-(2,6-dichlorophenyl)isoxazole (CAS 31007-74-6)
- 4-Iodobutyl Pivalate (CAS 82131-05-3)
- 4-((1-Methyl-1H-tetrazol-5-yl)thio)cyclohexan-1-amine (CAS 1339923-58-8)
- (3-Fluoro-4-methoxypyridin-2-yl)methanol (CAS 1427409-60-6)
- 4-Aminopiperidine-1-carbaldehyde (CAS 782448-63-9)
- Methyl 2-(m-tolyl)acetate (CAS 53088-69-0)
- 1-(6-Chloro-4-methoxypyridin-2-yl)ethanone (CAS 1256813-62-3)
- 4-[(2,6-dimethylmorpholin-4-yl)sulfonyl]benzoic acid (CAS 328038-27-3)
- 2-[5-(4-Methoxybenzoyl)-2-thienyl]-3-phenylacrylonitrile (CAS 338966-79-3)
- N-Benzyl-4-fluorobenzo[d]thiazol-2-amine (CAS 862975-05-1)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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