3-(3,5-Dichlorophenyl)-1H-pyrazol-4-amine CAS 1707375-24-3
| CAS No. | 1707375-24-3 |
| Molecular Formula | C9H7Cl2N3 |
| Molecular Weight | 228.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(3,5-Dichlorophenyl)-1H-pyrazol-4-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.
CATO supplies 3-(3,5-Dichlorophenyl)-1H-pyrazol-4-amine (CAS 1707375-24-3), a certified reference material (molecular formula C9H7Cl2N3, MW 228.08 g/mol) for analytical method development and quality control.
Structurally, 3-(3,5-Dichlorophenyl)-1H-pyrazol-4-amine (C9H7Cl2N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 228.08 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C9H7Cl2N3 |
| Molecular Weight | 228.08 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.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichlorophenyl Standards
- 3-(2,6-Dichlorophenyl)-1h-pyrazol-5-amine (CAS 1028843-12-0)
- 5-(3,4-dichlorophenyl)-3-methyl-1H-1,2,4-triazole (CAS 1094730-06-9)
- 1-(3,4-Dichlorophenyl)-1H-pyrazol-4-amine (CAS 1153040-15-3)
- 3-(3,4-Dichlorophenyl)-1H-pyrazol-4-amine (CAS 1250581-50-0)
- 1-(2,4-Dichlorophenyl)-1h-pyrazol-4-amine (CAS 14044-29-2)
- 2-(3,4-Dichlorophenyl)pyrazol-3-amine (CAS 183583-73-5)
- 1-(2,6-Dichlorophenyl)-1H-pyrazol-5-amine (CAS 184420-71-1)
- 4-(2,4-Dichlorophenyl)-1h-pyrazol-3-amine (CAS 195055-62-0)
Recommended Standards
- 1-[5-chloro-2-(chloromethyl)phenyl]-1H-1,2,4-triazole (CAS 1602769-76-5)
- 4-(4,5-Dichloro-1H-imidazol-1-yl)aniline (CAS 175201-62-4)
- 2,3-Dichloro-5,7-dimethylpyrido[3,4-b]pyrazine (CAS 1592561-70-0)
- 4-(2-Bromoacetyl)benzonitrile-d4 (CAS 1794793-46-6)
- 3-Nitro-1h-1,2,4-triazol-5-amine (CAS 58794-77-7)
- N-cyclopropylbenzene-1,3-disulfonamide (CAS 210826-63-4)
- 7-Cyano-1H-indole-3-carboxylic acid (CAS 959238-64-3)
- Ethyl 5-Aminopyrazine-2-carboxylate (CAS 54013-06-8)
- 8-Methylene-5,6,7,8-tetrahydroquinoline (CAS 91900-43-5)
- Ethyl methylprolinate (CAS 30727-23-2)
- Eltrombopag Impurity 99 (CAS 277299-70-4)
- Methyl 8-amino-5-thiaspiro[3.5]nonane-2-carboxylate 5,5-dioxide hydrochloride (CAS 2138004-47-2)
- Ethyl 4-(1-(tert-butoxycarbonyl)azetidin-3-yl)pyrrolidine-3-carboxylate (CAS 1373028-60-4)
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