4-(4-Chloro-2-fluorophenyl)-1,3-dimethyl-1H-pyrazol-5-amine CAS 1243047-12-2
| CAS No. | 1243047-12-2 |
| Molecular Formula | C11H11ClFN3 |
| Molecular Weight | 239.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/chlorine substitution, 4-(4-Chloro-2-fluorophenyl)-1,3-dimethyl-1H-pyrazol-5-amine is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 239.68 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 4-(4-Chloro-2-fluorophenyl)-1,3-dimethyl-1H-pyrazol-5-amine (CAS 1243047-12-2), a certified reference material (molecular formula C11H11ClFN3, MW 239.68 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), 4-(4-Chloro-2-fluorophenyl)-1,3-dimethyl-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 | C11H11ClFN3 |
| Molecular Weight | 239.68 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 4-Chloro-2-phenoxythiazole-5-carbaldehyde (CAS 1000932-30-8)
- 2-Chloro-5-phenylthiazole-4-carboxylic acid (CAS 1047675-14-8)
- 1-[4-(4-chloro-1H-pyrazol-1-yl)-3-fluorophenyl]ethan-1-amine (CAS 1178482-37-5)
- 4-(2-Chloro-4-fluorophenyl)-1,3-dimethyl-1h-pyrazol-5-amine (CAS 1193511-96-4)
- 1-(2-Chloro-4-fluorobenzyl)-4-methyl-1,2-dihydro-3H-pyrazol-3-imine (CAS 1342567-90-1)
- α-(3-Chloro-4-fluorophenyl)-1-methyl-1H-pyrazole-4-methanamine (CAS 1343711-69-2)
- 7-Chloro-4-mercaptoquinoline-2-carboxylic acid hydrochloride (CAS 135025-56-8)
- 3-Chloro-4-fluoro-N-((1-methyl-1h-imidazol-5-yl)methyl)aniline (CAS 1384738-78-6)
Recommended Standards
- 4-(Chloromethyl)-5-ethyl-1-(2-fluorophenyl)-1h-1,2,3-triazole (CAS 1338675-28-7)
- 4-(Chloromethyl)-5-ethyl-1-(3-fluorophenyl)-1h-1,2,3-triazole (CAS 1338679-27-8)
- 5-(2-Chlorophenyl)thiazole-4-carboxylic acid (CAS 1047676-25-4)
- 4-(Chloromethyl)-5-ethyl-1-(4-fluorophenyl)-1h-1,2,3-triazole (CAS 1338690-03-1)
- (SP-4-3)-BRomobis(triethylphosphine)(2,4,6-trimethylphenyl)nickel (CAS 69456-30-0)
- 6,7-Difluoro-2-methylquinazolin-4(3H)-one (CAS 1033778-42-5)
- 6-Hydroxy-3-methyl-2H-benzo[e][1,3]oxazin-4(3H)-one (CAS 2487299-86-3)
- 4254-29-9 B77NA7SM29 Indan-2-ol 1H-Inden-2-ol, 2,3-dihydro- (9CI) EINECS 224-230-8 NSC 17485 UNII-B77NA7SM29 (CAS 4254-29-9)
- 4-Fluoro-2-(1-phenyl-1h-pyrazol-5-yl)phenyl acetate (CAS 1173021-97-0)
- 4-(4-Methoxyphenyl)-5-(4-pyridinyl)-4H-1,2,4-triazole-3-thiol (CAS 109220-26-0)
- 1-(1,4-Diazepan-1-yl)ethan-1-one hydrochloride (CAS 1201633-56-8)
- 4-(3-Bromothiophen-2-yl)butanal (CAS 1341285-50-4)
- (E)-3-(2-Methylpyrimidin-5-yl)acrylaldehyde (CAS 312262-93-4)
- C-telopeptide (CAS 162929-64-8)
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