1-(5-Bromo-6-chloropyridin-3-yl)piperazine CAS 412347-55-8
| CAS No. | 412347-55-8 |
| Molecular Formula | C9H11BrClN3 |
| Molecular Weight | 276.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
1-(5-Bromo-6-chloropyridin-3-yl)piperazine (CAS 412347-55-8), molecular formula C9H11BrClN3 and molecular weight 276.56 g/mol, is a CATO reference standard with documented purity and traceability.
1-(5-Bromo-6-chloropyridin-3-yl)piperazine (C9H11BrClN3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C9H11BrClN3 |
| Molecular Weight | 276.56 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 3-Methylhexane-1,6-diol (CAS 4089-71-8)
- (Η5-cyclopentadienyl)(6-naphthalene)ruthenium(II) triflate (CAS 811794-35-1)
- Ethyl Difluorothioacetate (CAS 1076198-05-4)
- Methyl 2-((4-benzylphthalazin-1-yl)thio)acetate (CAS 338417-99-5)
- Methyl 4-((2-(2-oxo-2-(p-tolylamino)acetyl)hydrazono)methyl)benzoate (CAS 357207-81-9)
- 5-methyl-1-(pentan-3-yl)-1H-pyrazol-4-amine (CAS 1248001-30-0)
- Serpent Peptide (CAS 823202-99-9)
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