4,5,6,7-Tetrachloro-2-phenylisoindoline-1,3-dione CAS 31039-74-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31039-74-4 |
| Molecular Formula | C14H5Cl4NO2 |
| Molecular Weight | 361.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5,6,7-Tetrachloro-2-phenylisoindoline-1,3-dione (CAS 31039-74-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H5Cl4NO2. Molecular weight: 361.01 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H5Cl4NO2 |
| Molecular Weight | 361.01 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 |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2,4,6-Tris(trifluoromethyl)bromobenzene (CAS 95606-57-8)
- 5-Bromo-nicotinic acid 3,4-dichloro-benzyl ester (CAS 1033692-97-5)
- 4-Bromo-2-(2,6-dichlorophenyl)-7-fluoro-1H-imidazo[4,5-c]pyridine (CAS 1334411-83-4)
- Amino-PEG4-yne (CAS 1013921-36-2)
- Ethyl-(4-methyl-pyrimidin-2-yl)-amine (CAS 651718-69-3)
- m-Phenylenediamine Impurity 3 (CAS CATO-C4X-34283)
- 3-hydroxy-2-(trifluoromethoxy)benzoic acid (CAS 851341-55-4)
- 5-Bromo-2-isopropoxyaniline (CAS 1019442-22-8)
- Letermovir Impurity 51 (CAS CATO-C4X-291551)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com