1-Benzyl-3-carbamoylpyridin-1-ium bromide CAS 13076-43-2
| CAS No. | 13076-43-2 |
| Molecular Formula | C13H13N2O |
| Molecular Weight | N/A |
| 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.
1-Benzyl-3-carbamoylpyridin-1-ium bromide (CAS 13076-43-2), molecular formula C13H13N2OBr and molecular weight 293.16 g/mol, is a CATO reference standard with documented purity and traceability.
1-Benzyl-3-carbamoylpyridin-1-ium bromide (C13H13N2OBr) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
Physical & Chemical Properties
| Molecular Formula | C13H13N2O Br |
| Molecular Weight | 293.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Benzyl Standards
- 4-[(3-carbamoylpyridin-2-yl)sulfanyl]benzoic acid (CAS 1016837-40-3)
- 2-[(5-carbamoylpyridin-2-yl)amino]acetic acid (CAS 1016864-70-2)
- 2-[(4-carbamoylpyridin-2-yl)amino]acetic acid (CAS 1016868-74-8)
- 2-(2-Carbamoylpyridin-4-yl)acetic acid (CAS 1082041-32-4)
- (6-Carbamoylpyridin-3-yl)boronic acid (CAS 1164100-82-6)
- (5-Carbamoylpyridin-2-yl)boronic acid (CAS 1164100-83-7)
- (5-Carbamoylpyridin-3-yl)boronic acid (CAS 1321900-96-2)
- N1-(4-((2-Carbamoylpyridin-4-yl)oxy)phenyl)-N3-(4-((2-(methylcarbamoyl)pyridin-4-yl)oxy)phenyl)isophthalamide (CAS 1334499-71-6)
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