5-(4-Chlorophenyl)-2-methyl-3-(4-oxo-4H-chromen-3-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione CAS 318949-31-4
| CAS No. | 318949-31-4 |
| Molecular Formula | C21H15ClN2O5 |
| Molecular Weight | 410.81 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.
5-(4-Chlorophenyl)-2-methyl-3-(4-oxo-4H-chromen-3-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione (CAS 318949-31-4), molecular formula C21H15ClN2O5 and molecular weight 410.81 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H15ClN2O5, 5-(4-Chlorophenyl)-2-methyl-3-(4-oxo-4H-chromen-3-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-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 410.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 5-(4-Chlorophenyl)-2-methyl-3-(4-oxo-4H-chromen-3-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione 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 | C21H15ClN2O5 |
| Molecular Weight | 410.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 5-({[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}methyl)-N-[(methylcarbamothioyl)amino]-4,5-dihydro-1,2-oxazole-3-carboxamide (CAS 338410-32-5)
- N-(4-Fluorophenyl){[1-(2-chloro-4-nitrophenyl)-1H-pyrrol-2-yl]amino}sulfonamide (CAS 860650-12-0)
- (5-((4-Chlorobenzyl)sulfonyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl acetate (CAS 318469-50-0)
- 1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-N'-[(1E)-phenylmethylidene]piperidine-4-carbohydrazide (CAS 338761-40-3)
- Methyl 2-(Bromomethyl)-5-methoxybenzoate (CAS 788081-99-2)
- N-Hexyl-2-hydroxy-3,4,5-triiodobenzamide (CAS 89011-09-6)
- 543686-34-6 (3-(2,6-Dichlorophenyl)-5-methylisoxazol-4-yl)-N-(4-(diethylamino)phenyl)formamide MFCD01567353 (CAS 543686-34-6)
- 6-(tert-Butyl)-3-ethyl-1H-imidazo[1,2-b]pyrazol-2(3H)-one (CAS 663616-18-0)
- 1,1'-(Hexa-2,4-diyne-1,6-diyl)bis(3-propylurea) (CAS 98786-26-6)
- 2,5-Dichloro-1-methyl-1H-benzimidazole (CAS 15965-64-7)
- 4-(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-2-methylsulfanyl-pyrimidine (CAS 1311279-25-0)
- 98495-13-7 2-(4-n-Propylphenyl)-5-n-propyl-pyrimidine MFCD00799381 (CAS 98495-13-7)
- 6-Amino-7-methoxy-4-methyl-2H-chromen-2-one (CAS 29001-27-2)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
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