1-Methyl-2-oxo-6-(thiophen-2-yl)-1,2-dihydropyridine-4-carboxylic acid CAS 1368545-19-0
| CAS No. | 1368545-19-0 |
| Molecular Formula | C11H9NO3S |
| Molecular Weight | 235.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methyl-2-oxo-6-(thiophen-2-yl)-1,2-dihydropyridine-4-carboxylic acid (CAS 1368545-19-0), molecular formula C11H9NO3S and molecular weight 235.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-Methyl-2-oxo-6-(thiophen-2-yl)-1,2-dihydropyridine-4-carboxylic acid (C11H9NO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 235.26 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-Methyl-2-oxo-6-(thiophen-2-yl)-1,2-dihydropyridine-4-carboxylic acid 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 | C11H9NO3S |
| Molecular Weight | 235.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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