Ethyl 1-(2-chlorophenyl)-4-ethoxy-6-oxo-1,6-dihydropyridazine-3-carboxylate CAS 886951-82-2
| CAS No. | 886951-82-2 |
| Molecular Formula | C15H15ClN2O4 |
| Molecular Weight | 322.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ethyl 1-(2-chlorophenyl)-4-ethoxy-6-oxo-1,6-dihydropyridazine-3-carboxylate (C15H15ClN2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 322.74 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Ethyl 1-(2-chlorophenyl)-4-ethoxy-6-oxo-1,6-dihydropyridazine-3-carboxylate (CAS 886951-82-2), molecular formula C15H15ClN2O4 and molecular weight 322.74 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C15H15ClN2O4 |
| Molecular Weight | 322.74 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 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 1-Iodo-2-methyl-4-(trifluoromethyl)benzene (CAS 54978-36-8)
- Sodium 3-fluoropyridine-2-sulfinate (CAS 1851224-97-9)
- 2-Phenylcyclopent-2-en-1-one (CAS 39545-99-8)
- 3-Amino-4-bromobenzofuran-2-carbonitrile (CAS 1823931-01-6)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
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