5-Bromo-2-ethylpyridine CAS 38749-90-5
| CAS No. | 38749-90-5 |
| Molecular Formula | C7H8BrN |
| Molecular Weight | 186.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Bromo-2-ethylpyridine (C7H8BrN) contains a nitrile group, 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 186.05 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-Bromo-2-ethylpyridine (CAS 38749-90-5), molecular formula C7H8BrN and molecular weight 186.05 g/mol, is a CATO reference standard with documented purity and traceability.
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 5-Bromo-2-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 | C7H8BrN |
| Molecular Weight | 186.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1968 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 4-Bromo-3-ethylpyridine (CAS 10168-60-2)
- 2-bromo-5-fluoro-1,3-thiazole (CAS 1209458-83-2)
- 2-Bromo-3-ethylpyridine (CAS 142337-94-8)
- 142337-95-9 3-bromo-5-ethylpyridine DTXSID80349065 (CAS 142337-95-9)
- 4-Bromo-2-ethylpyridine (CAS 156761-88-5)
- 3-Bromo-2,5-dimethylpyridine (CAS 17117-19-0)
- 4-Bromo-2,5-dimethylpyridine (CAS 17117-23-6)
- 2-Bromo-3,4-dimethylpyridine (CAS 33204-85-2)
Recommended Standards
- 5-Bromo-2,4-dimethylpyridine (CAS 27063-92-9)
- 5-Bromo-2-methylaniline (CAS 39478-78-9)
- 5-Bromo-2,3-dimethylpyridine (CAS 27063-90-7)
- 7-Bromohept-5-ynenitrile (CAS 53574-62-2)
- Ethyl 3-(4-bromopyridin-2-yl)-2-oxopropanoate (CAS 2140305-33-3)
- 4,4'-(Pentane-1,1-diyl)diphenol (CAS 17181-62-3)
- 3-Chloro-8-methoxyisoquinoline (CAS 129959-08-6)
- 4-Oxo-1-(o-tolyl)pyrrolidine-3-carbonitrile (CAS 1312133-15-5)
- 2,4-dichloro-8-nitro-quinazoline (CAS 174566-19-9)
- 2-Chloro-3-methyl-5-(1-propylpyrrolidin-2-yl)pyridine (CAS 1352506-02-5)
- 5-(2-Hydroxyethyl)-4-methylthiophene-3-carbaldehyde (CAS 334687-35-3)
- 3-Pyridinamine,6-[2-(dimethylamino)ethoxy]- (CAS 884341-06-4)
- Methyl 2-cyano-4-fluoro-6-methylbenzoate (CAS 877151-43-4)
- Peptide Impurity 09 X TFA Salt (CAS CATO-CPTD788809)
Why CATO?
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