Vitamin K1 Impurity 40 CAS 81800-41-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 81800-41-1 |
| Molecular Formula | C11H16O2 |
| Molecular Weight | 180.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Vitamin K1 Impurity 40 (CAS 81800-41-1) pharmacopoeial impurity standards reference standard. Molecular formula: C11H16O2. Molecular weight: 180.24 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C11H16O2 |
| Molecular Weight | 180.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
Related Vitamin Standards
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Recommended Standards
- Mexiletine Impurity 17 (CAS CATO-C4X-192917)
- N-Acetyl-S-methyl-L-cysteine-d3 (CAS 1279039-06-3)
- Terbinafine Impurity 47 (CAS CATO-C4X-133847)
- Mezlocillin Impurity 10 (CAS CATO-C4X-183110)
- Apremilast Impurity 78 (CAS CATO-C4X-100978)
- 4-(Azetidin-3-yloxy)-2,2-dimethylbutanenitrile (CAS 1488101-88-7)
- 2-Azetidinomethyl-4-bromo-2-fluorobenzophenone (CAS 898755-13-0)
- 4-((3-Methylbenzyl)thio)butan-2-one (CAS 1044063-32-2)
- 4-Chloro-N-(2,6-dimethylphenyl)butanamide (CAS 77470-76-9)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com