1006448-76-5 4-Bromo-1-ethyl-1H-pyrazole-5-carbonyl chloride MFCD03421436 CAS 1006448-76-5
| CAS No. | 1006448-76-5 |
| Molecular Formula | C6H6BrClN2O |
| Molecular Weight | 237.48 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 1006448-76-5 4-Bromo-1-ethyl-1H-pyrazole-5-carbonyl chloride MFCD03421436 (CAS 1006448-76-5), a certified reference material (molecular formula C6H6BrClN2O, MW 237.48 g/mol) for analytical method development and quality control.
1006448-76-5 4-Bromo-1-ethyl-1H-pyrazole-5-carbonyl chloride MFCD03421436 (C6H6BrClN2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 1006448-76-5 4-Bromo-1-ethyl-1H-pyrazole-5-carbonyl chloride MFCD03421436 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 | C6H6BrClN2O |
| Molecular Weight | 237.48 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-Bromo-1,5-dimethyl-1H-pyrazole-3-carbonyl chloride (CAS 1006471-24-4)
- 2-Bromo-4-chloro-6-(hydroxymethyl)phenol (CAS 116795-47-2)
- 4-Bromo-1,3-dimethyl-1H-pyrazole-5-carbonyl chloride (CAS 119169-62-9)
- 5-Bromo-4-chloro-2-(hydroxymethyl)phenol (CAS 1192798-37-0)
- 2-(4-Bromo-1H-pyrazol-1-yl)propanoyl chloride (CAS 1217862-80-0)
- 6-Bromo-2-chloro-3-methoxyphenol (CAS 1228957-06-9)
- 4-Bromo-2-chloro-3-(hydroxymethyl)phenol (CAS 1255206-92-8)
- 5-Bromo-2-chloro-4-ethoxypyrimidine (CAS 1289005-72-6)
Recommended Standards
- 6-(Trichloromethyl)-5H-purine (CAS 2568-37-8)
- 5-(Trichloroacetyl)-1h-pyrrole-3-carbonitrile (CAS 80242-23-5)
- 4-(2,2,2-Trichloroacetyl)-1H-pyrrole-2-carbonitrile (CAS 66832-07-3)
- 2,6,8-Trichloro-7-Methyl Purine (CAS 16404-16-3)
- 3,5-Difluoro-N-(2-fluorophenyl)benzenesulfonamide (CAS 923769-26-0)
- N-Ethyl-3-nitro-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1421854-75-2)
- Tert-butyl (3S,4R)-4-(3-(cyanomethyl)-4-fluorophenyl)-3-(hydroxymethyl)piperidine-1-carboxylate (CAS 2055991-01-8)
- Tramadol Impurity 1 (CAS 1884-42-0)
- Ethyl 7-chloro-4-iodoquinoline-3-carboxylate (CAS 19499-20-8)
- 2,4-Dibromo-6-(((2-chlorophenyl)amino)methyl)phenol (CAS 477871-75-3)
- 2-(3,5-Dimethyladamantan-1-yl)acetic acid (CAS 14202-14-3)
- 3-Bromochromone (CAS 49619-82-1)
- Ethyl 2,4,4-trimethylpentanoate (CAS 60302-30-9)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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