1-{[5-chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-4-yl]oxy}pyrrolidine-2,5-dione CAS 320421-76-9
| CAS No. | 320421-76-9 |
| Molecular Formula | C15H12ClN3O5 |
| Molecular Weight | 349.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 1-{[5-chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-4-yl]oxy}pyrrolidine-2,5-dione (CAS 320421-76-9), a certified reference material (molecular formula C15H12ClN3O5, MW 349.73 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H12ClN3O5, 1-{[5-chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-4-yl]oxy}pyrrolidine-2,5-dione contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 349.73 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 1-{[5-chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-4-yl]oxy}pyrrolidine-2,5-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H12ClN3O5 |
| Molecular Weight | 349.73 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
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- 3-((4-Chloro-3-nitrophenyl)amino)-1-(3-nitrophenyl)propan-1-one (CAS 882748-65-4)
- [4-(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-pyrimidin-2-ylsulfanyl]-acetic acid (CAS 1311278-94-0)
- 5-(4-((2-Chloro-4-fluorobenzyl)oxy)-3-methoxyphenyl)-1,3,4-oxadiazol-2-amine (CAS 1706453-63-5)
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Recommended Standards
- 5-((4-Chlorophenyl)sulfonyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile (CAS 318239-39-3)
- Clodinafop propargyl (racemic) Solution in Methanol, 100μg/mL (CAS 105511-96-4)
- 2-acetyl-N-(5-chloro-4-(trifluoromethyl)pyridin-2-yl)thiazole-5-carboxamide (CAS 1095825-46-9)
- 3-chloro-4-[(2,4-difluorobenzoyl)amino]benzene-1-sulphonyl fluoride (CAS 284664-83-1)
- Saccharin (CAS 81-07-2)
- tert-Butyl 3-(2-methoxy-2-oxoethyl)piperazine-1-carboxylate hydrochloride (CAS 1858241-30-1)
- Ciguatoxin 3 (CAS 139341-09-6)
- 5-(Ethylamino)pyrazine-2-carbothioamide (CAS 1342263-15-3)
- 3-(4,6-Dichloro-1,3,5-triazin-2-yl)-1-phenyl-1H-indole (CAS 35252-64-3)
- 2-(5-amino-2-ethyl-1H-benzimidazol-1-yl)ethanol (CAS 924845-63-6)
- 7-Ethylbenzo[e][1,2,4]triazin-3-amine (CAS 157284-10-1)
- tert-Butyl 6-iodohexanoate (CAS 67899-04-1)
- 2-(Diethylamino)acetamide (CAS 7409-48-5)
- Vialox Peptide(Pentapeptide-3) (CAS 135679-88-8)
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