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
Purity 97%+In StockPharmaceutical Standards
| 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
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) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H15ClN2O5. Molecular weight: 410.81 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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)
- Methyl 2-(Bromomethyl)-5-methoxybenzoate (CAS 788081-99-2)
- N-Hexyl-2-hydroxy-3,4,5-triiodobenzamide (CAS 89011-09-6)
- 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)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
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