lithium(1+) ion 5-methylimidazo[1,2-a]pyridine-3-carboxylate CAS 1909314-36-8
| CAS No. | 1909314-36-8 |
| Molecular Formula | C9H7N2O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
lithium(1+) ion 5-methylimidazo[1,2-a]pyridine-3-carboxylate (CAS 1909314-36-8), molecular formula C9H7N2O2Li and molecular weight 182.11 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of lithium(1+) ion 5-methylimidazo[1,2-a]pyridine-3-carboxylate (C9H7N2O2Li) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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 | C9H7N2O2 Li |
| Molecular Weight | 182.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Related lithium Standards
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- Lithium sulfate (CAS 10377-48-7)
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Recommended Standards
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- 2-Bromo-4-(bromomethyl)benzoic acid (CAS 345953-39-1)
- tert-Butyl (4-amino-3-nitrophenyl)carbamate (CAS 219492-81-6)
- Mal-amido-PEG3-C1-NHS ester (CAS 2101206-45-3)
- 7,7-Dimethyl-6-oxa-9-azaspiro[4.5]Decane (CAS 1488879-96-4)
- Diethyl 2-(((1H-indazol-3-yl)amino)methylene)malonate (CAS 59591-74-1)
- Psoralen (CAS 66-97-7)
- Osteoblast Activating Peptide (mouse, rat) (H-7262.0500) (CAS 1222950-80-2)
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