Ethyl 5-(2,4-dichlorophenyl)-4,6-dioxo-1,3a,4,5,6,6a-hexahydropyrrolo[3,4-c]pyrazole-3-carboxylate CAS 321522-05-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321522-05-8 |
| Molecular Formula | C14H11Cl2N3O4 |
| Molecular Weight | 356.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-(2,4-dichlorophenyl)-4,6-dioxo-1,3a,4,5,6,6a-hexahydropyrrolo[3,4-c]pyrazole-3-carboxylate (CAS 321522-05-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H11Cl2N3O4. Molecular weight: 356.16 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H11Cl2N3O4 |
| Molecular Weight | 356.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
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- 1,2-Bis(3,5-dichlorophenyl)disulfane (CAS 137897-99-5)
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Recommended Standards
- Dimethyl 2-((1-(3,4-dichlorophenyl)-1H-1,2,3-triazol-4-yl)methylene)malonate (CAS 866135-82-2)
- Methyl 2-(4,6-dichloro-2-(4-nitrobenzyl)pyrimidin-5-yl)acetate (CAS 780763-92-0)
- 5-Iodo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole-3-carbaldehyde (CAS 837364-60-0)
- 2-(4-Ethylpiperazin-1-yl)-5-(trifluoromethyl)aniline (CAS 937596-13-9)
- 3,4-Difluoro-N-((1-(hydroxymethyl)cyclopropyl)methyl)benzenesulfonamide (CAS 1286717-94-9)
- Tetra-tert-butyl 2,2',2'',2'''-((((2-(tert-butoxy)-2-oxoethyl)azanediyl)bis(ethane-2,1-diyl))bis(azanetriyl))tetraacetate (CAS 280563-33-9)
- 6-Amino-1H-indazole-7-carboxylic acid (CAS 73907-95-6)
- 2-Isopropyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid (CAS 1281291-37-9)
- 4-(Aminomethyl)-4-fluorocyclohexane-1-carboxylic acid (CAS 1780817-10-8)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
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