1-Methyl-5-(trifluoromethyl)-1H-pyrazol-4-amine CAS 161038-64-8
| CAS No. | 161038-64-8 |
| Molecular Formula | C5H6F3N3 |
| Molecular Weight | 165.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-Methyl-5-(trifluoromethyl)-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.
1-Methyl-5-(trifluoromethyl)-1H-pyrazol-4-amine (CAS 161038-64-8), molecular formula C5H6F3N3 and molecular weight 165.12 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H6F3N3, 1-Methyl-5-(trifluoromethyl)-1H-pyrazol-4-amine contains a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 165.12 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.
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 | C5H6F3N3 |
| Molecular Weight | 165.12 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3-amine (CAS 149978-42-7)
- 2-Methyl-5-trifluoromethyl-2H-pyrazol-3-ylamine (CAS 149978-43-8)
- [2-(trifluoromethyl)-1H-imidazol-5-yl]methanamine (CAS 1545471-76-8)
- (1-(Trifluoromethyl)-1H-pyrazol-4-yl)methanamine (CAS 1706440-17-6)
- (5-(Trifluoromethyl)-1H-imidazol-2-yl)methanamine (CAS 944898-11-7)
- 1-Methyl-4-(trifluoromethyl)-1H-imidazol-2-amine (CAS 2109509-60-4)
- 3-Methyl-5-(trifluoromethyl)-1H-pyrazol-4-amine (CAS 855343-08-7)
- 4-Methyl-5-(trifluoromethyl)-1H-pyrazol-3-amine (CAS 261528-47-6)
Recommended Standards
- 3-(5-Fluoropyridin-2-yl)propiolic acid (CAS 1564793-56-1)
- Olaparib Impurity 73 (CAS 164149-28-4)
- 4-(Aminomethyl)-3-(trifluoromethyl)pyrazole (CAS 1525641-12-6)
- 7-Fluoropyrido[4,3-d]pyrimidin-4(1H)-one (CAS 171178-37-3)
- 7-Iodo-1H-indazol-5-amine (CAS 1208228-61-8)
- (Diethoxymethyl)diphenylphosphine oxide (CAS 20570-20-1)
- 3'-(1,3-Dioxolan-2-yl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 400750-26-7)
- (2S)-2-Amino-N-((1-benzylpiperidin-3-yl)methyl)-N,3-dimethylbutanamide (CAS 1354028-16-2)
- (1-Trifluoromethanesulfonylazetidin-3-yl)methanol (CAS 1497101-94-6)
- 2-(2-chloroethanesulfonyl)ethylaminehydrochloride (CAS 85739-74-8)
- 4-(6-Hydroxyhexyloxy)phenol (CAS 142627-91-6)
- Norhydromorphone (CAS 14696-23-2)
- Velpatasvir Impurity 8 (CAS 1493769-28-0)
- Palmitoyl Hexapeptide-12 (CAS 171263-26-6)
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