Butylphthalide Impurity 56 CAS 261783-87-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 261783-87-3 |
| Molecular Formula | C12H14O2 |
| Molecular Weight | 190.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Butylphthalide Impurity 56 (CAS 261783-87-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H14O2. Molecular weight: 190.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H14O2 |
| Molecular Weight | 190.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Butylphthalide Standards
- Butylphthalide Impurity 41 (CAS 3413-15-8)
- Butylphthalide Impurity 23 (CAS 199736-94-2)
- Butylphthalide Impurity 35 (CAS 16692-58-3)
- Butylphthalide (CAS 6066-49-5)
- Butylphthalide Impurity 82 (CAS CATO-C4X-181382)
- Butylphthalide Impurity 7 (CAS 122654-56-2)
- Butylphthalide Impurity 9 (CAS 19666-03-6)
- Butylphthalide Impurity 32 (CAS 60510-95-4)
Recommended Standards
- Ozagrel Impurity 27 (CAS 20511-20-0)
- Nicotine Impurity 14 (CAS 125630-26-4)
- Risperidone Impurity 25 (CAS 832747-59-8)
- Trametinib impurity 12 (CAS 3018911-27-5)
- Abemaciclib Impurity N6 (CAS 1873303-31-1)
- 5-Iodo-2-methylnicotinaldehyde (CAS 1289071-76-6)
- 3-Bromo-2-(difluoromethoxy)-5-isopropylbenzoic acid (CAS 2404733-62-4)
- (5-chlorothiophen-2-yl)methanol (CAS 74168-69-7)
- 5-Chloro-2,4-difluoro-6-methoxypyrimidine (CAS 27265-89-0)
- Semaglutide impurity 24 (CAS CATO-C4X-222624)
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