3,5-Dibromo-4-ethylpyridine CAS 125419-80-9
| CAS No. | 125419-80-9 |
| Molecular Formula | C7H7Br2N |
| Molecular Weight | 264.95 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.
3,5-Dibromo-4-ethylpyridine (CAS 125419-80-9), molecular formula C7H7Br2N and molecular weight 264.95 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H7Br2N, 3,5-Dibromo-4-ethylpyridine contains a nitrile group, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.95 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.
CATO manufactures 3,5-Dibromo-4-ethylpyridine 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 | C7H7Br2N |
| Molecular Weight | 264.95 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 methanol, acetonitrile, DMSO |
| 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.) | 1992 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromo Standards
- 4,5-Dibromo-2-methylaniline (CAS 102170-00-3)
- 2,3-Dibromo-5,6-dimethylpyridine (CAS 117846-56-7)
- 2,3-Dibromo-4,5-dimethylpyridine (CAS 117846-57-8)
- 2,6-Dibromo-3,5-dimethylpyridine (CAS 117846-58-9)
- 2,5-Dibromo-3,4-dimethylpyridine (CAS 125419-92-3)
- 3,6-Dibromo-2-ethylpyridine (CAS 1256789-82-8)
- 3,4-Dibromo-5-methylaniline (CAS 1263376-30-2)
- 3,6-Dibromo-2-methylaniline (CAS 1263376-95-9)
Recommended Standards
- 3-Bromo-6-(bromomethyl)-2-methylpyridine (CAS 123094-75-7)
- 2-Bromo-3-(bromomethyl)-5-methylpyridine (CAS 1227587-14-5)
- 2-Bromo-4-(bromomethyl)-3-methylpyridine (CAS 1227582-17-3)
- 4-Amino-3-bromobenzyl bromide (CAS 1260776-11-1)
- 1,3-Dimethyl-1H-pyrazolo[3,4-b]pyridine-5-carbonyl chloride (CAS 479028-65-4)
- Methyl Ethanesulfonate (CAS 1912-28-3)
- (Z)-Ethyl-3-acetamido-but-2-enoate (CAS 23652-56-4)
- 1-[(Tert-butoxy)carbonyl]-4-(methoxycarbonyl)piperidine-4-carboxylic acid (CAS 1005738-45-3)
- Drotaverine Impurity 14 (CAS 5763-61-1)
- 4-Amino-1-(benzyloxy)butan-2-ol (CAS 166746-63-0)
- 1-(2,2-Difluoroethyl)-2-oxo-1,2-dihydropyridine-4-carboxylic acid (CAS 1551135-48-8)
- 1,3-Bis(3-nitrophenyl)urea (CAS 1234-21-5)
- Ethyl [1,4'-bipiperidine]-3-carboxylate (CAS 340962-71-2)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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