Difenacoum Impurity 2 CAS 56181-65-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 56181-65-8 |
| Molecular Formula | C22H18O |
| Molecular Weight | 298.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Difenacoum Impurity 2 (CAS 56181-65-8), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H18O. Molecular weight: 298.38 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C22H18O |
| Molecular Weight | 298.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
Related Difenacoum Standards
Recommended Standards
- Carazolol (CAS 57775-29-8)
- Solriamfetol Impurity 29 (CAS CATO-C4X-256329)
- Eugenol Impurity 12 (CAS CATO-C4X-198912)
- Pemetrexed Impurity 37 (CAS 144051-68-3)
- Iobitridol Impurity 22 (CAS CATO-C4X-317822)
- 3-Nitro-2-vinylpyridine (CAS 150281-83-7)
- Methyl 1-methyl-3-(((trifluoromethyl)sulfonyl)oxy)-1H-pyrazole-5-carboxylate (CAS 929899-47-8)
- 2-Methyl-6-nitro-3,4-dihydro-2H-1,4-benzoxazine (CAS 174567-34-1)
- (2-(4,4-Difluoropiperidin-1-yl)pyrimidin-5-yl)boronic acid (CAS 1820966-51-5)
- Endo-[Glu]31-Liraglutide (CAS CATO-C4X-199234)
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