Methyl 4-bromo-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate CAS 2103703-44-0
| CAS No. | 2103703-44-0 |
| Molecular Formula | C6H4BrF3N2O2 |
| Molecular Weight | 273.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 4-bromo-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate.
Methyl 4-bromo-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate (CAS 2103703-44-0), molecular formula C6H4BrF3N2O2 and molecular weight 273.01 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 4-bromo-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate (C6H4BrF3N2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 273.01 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 manufactures Methyl 4-bromo-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate 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 | C6H4BrF3N2O2 |
| Molecular Weight | 273.01 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 2-(4-Bromo-3-(trifluoromethyl)-1h-pyrazol-1-yl)acetic acid (CAS 1006319-26-1)
- 4-Bromo-1-(2,2,2-trifluoroethyl)-1h-pyrazole-3-carboxylic acid (CAS 1006471-09-5)
- 4-Bromo-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxylic acid (CAS 1856071-67-4)
- 4-Bromo-1-methyl-3-(trifluoromethyl)-1h-pyrazole-5-carboxylic acid (CAS 497833-05-3)
- 4-Bromo-1-methyl-5-(trifluoromethyl)-1h-pyrazole-3-carboxylic acid (CAS 497833-03-1)
- 1-(2-Bromo-5-fluorophenyl)-2,2,2-trifluoroethan-1-ol (CAS 1033805-68-3)
- 4-Bromo-2-fluoro-alpha-(trifluoromethyl)benzyl Alcohol (CAS 1033805-88-7)
- 1-Bromo-2-fluoro-4-(2,2,2-trifluoroethoxy)benzene (CAS 1036724-63-6)
Recommended Standards
- 2,3-Diamino-5-bromo-6-(trifluoromethyl)pyrimidin-4(3H)-one (CAS 95095-46-8)
- 5-Bromo-2-fluoro-alpha-(trifluoromethyl)benzyl Alcohol (CAS 1039827-16-1)
- 1-(2-Bromo-4-fluorophenyl)-2,2,2-trifluoroethan-1-ol (CAS 1086599-53-2)
- 2-(Bromomethyl)-4-fluoro-1-(trifluoromethoxy)benzene (CAS 1092460-88-2)
- 2-(2,2,2-Trifluoroacetyl)nicotinonitrile (CAS 1060802-66-5)
- 2-aminopyrimido[4,5-d]pyrimidin-4(3H)-one (CAS 89890-99-3)
- 3-Bromo-4-((2-chlorobenzyl)oxy)benzohydrazide (CAS 1706431-65-3)
- 2-Bromo-4-(trifluoromethyl)benzylamine hydrochloride (CAS 1214382-77-0)
- 6-Bromo-3-oxabicyclo[3.1.0]Hexane (CAS 2417226-95-8)
- 5-(3,5-Dichlorophenyl)pyrazin-2(1H)-one (CAS 1935846-48-2)
- 4-Bromo-7-hydroxy-2,3-dihydro-1H-indol-2-one (CAS 1360886-92-5)
- 2-Chloro-N-ethylpropanamide (CAS 67791-81-5)
- 1-Bromo-3-(2,2-difluoropropyl)benzene (CAS 1099598-19-2)
- Semaglutide Impurity 164 (CAS CATO-C4X-2226164)
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