3-(4-Bromophenyl)-4-ethyl-1h-pyrazol-5-amine CAS 1187057-46-0
| CAS No. | 1187057-46-0 |
| Molecular Formula | C11H12BrN3 |
| Molecular Weight | 266.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 3-(4-Bromophenyl)-4-ethyl-1h-pyrazol-5-amine (CAS 1187057-46-0), a certified reference material (molecular formula C11H12BrN3, MW 266.14 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H12BrN3, 3-(4-Bromophenyl)-4-ethyl-1h-pyrazol-5-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 266.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 3-(4-Bromophenyl)-4-ethyl-1h-pyrazol-5-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H12BrN3 |
| Molecular Weight | 266.14 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.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromophenyl Standards
- 3-(4-Bromophenyl)-1,4-dimethyl-1h-pyrazol-5-amine (CAS 1152653-72-9)
- 3-(3-Bromophenyl)-1,4-dimethyl-1h-pyrazol-5-amine (CAS 1152655-64-5)
- 3-(2-Bromophenyl)-1,4-dimethyl-1h-pyrazol-5-amine (CAS 1152663-97-2)
- 4-(4-Bromophenyl)-2,5-dimethylpyrazol-3-amine (CAS 1152678-01-7)
- 4-(3-Bromophenyl)-2,5-dimethylpyrazol-3-amine (CAS 1156165-95-5)
- 3-(3-Bromophenyl)-4-ethyl-1h-pyrazol-5-amine (CAS 1187561-37-0)
- 1-(4-Bromophenyl)-3-ethyl-1H-pyrazol-5-amine (CAS 1225794-45-5)
- 4-(4-Bromophenyl)-1,2-dimethyl-1h-imidazol-5-amine (CAS 1247523-79-0)
Recommended Standards
- 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-dihydrobenzimidazol-2-one (CAS 1186334-82-6)
- 4-[2-(4-bromo-1h-pyrazol-1-yl)ethyl]aniline (CAS 1182985-22-3)
- 4-Bromo-2-(4,5-dihydro-1H-imidazol-2-yl)isoindoline (CAS 1194374-42-9)
- n-(2-Bromobenzyl)-1-methyl-1h-pyrazol-3-amine (CAS 1182928-33-1)
- 2,6-Difluoro-3-(methoxymethoxy)benzamide (CAS 1384476-82-7)
- [(3-Methylphenyl)methyl](2-methylpropyl)amine hydrochloride (CAS 1240567-30-9)
- 1-(2-Cyclopropyl-6-ethylpyrimidin-4-yl)piperidine-3-carboxylic acid (CAS 1713462-71-5)
- methyl 5-amino-3-chloropyridine-2-carboxylate hydrochloride (CAS 1803612-15-8)
- RO-3306 (CAS 872573-93-8)
- 3-(4-(Aminomethyl)piperidin-1-yl)pyrazine-2-carbonitrile (CAS 1247453-61-7)
- 2-(2-Bromoethoxy)-1,4-dimethylbenzene (CAS 37136-96-2)
- 2-Chloronaphthalene-1-sulfonyl chloride (CAS 102154-19-8)
- Methyl 6-(ethylamino)-2-fluoropyridine-3-carboxylate (CAS 210697-18-0)
- Myristoyl Pentapeptide-4 (CAS 1392416-25-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com