Vitamin K1 Impurity 44 CAS 873964-73-9
Purity 90%In StockPharmacopoeial Impurity Standards
| CAS No. | 873964-73-9 |
| Molecular Formula | C31H50O2 |
| Molecular Weight | 454.73 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Vitamin K1 Impurity 44 (CAS 873964-73-9) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C31H50O2. Molecular weight: 454.73 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C31H50O2 |
| Molecular Weight | 454.73 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 90% |
| Storage | Store at room temperature, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Vitamin Standards
- Vitamin A impurity 26 (CAS CATO-C4X-218726)
- Vitamin K1 Impurity N1 (CAS CATO-C1803497)
- Vitamin K1 Impurity 51 (CAS CATO-C4X-220751)
- Vitamin K1 D7 ( Mixture of Cis & Trans) (CAS CATO-C4X-2207102)
- cis-Vitamin K1 D7 (CAS CATO-C4X-2207103)
- cis-Vitamin K1-d7 (CAS 16033-41-3 (non-labelled))
- Vitamin K1-d7 (CAS 1233937-39-7)
- Vitamin K1 (CAS 81818-54-4)
Recommended Standards
- Cholecalciferol Impurity 34 (CAS CATO-C4X-158634)
- (Z)-[(4-Bromophenyl)[2-(4-chlorophenyl)cyclopropyl]methylidene]amino benzoate (CAS 338415-68-2)
- Cholecalciferol Impurity 33 (CAS CATO-C4X-158633)
- Lasmiditan Impurity 47 (CAS CATO-C4X-247847)
- Resmetirom impurity 54 (CAS 62918-73-4)
- 3-Bromo-1-pyridin-4-ylpyrrolidin-2-one (CAS 178946-35-5)
- N,N-Dimethyl-N′-2-propen-1-ylsulfamide (CAS 98139-54-9)
- 1-(2,5-Dimethylphenyl)cyclopropan-1-ol (CAS 1247940-34-6)
- Ruxolitinib Impurity 231 (CAS CATO-C4X-2058231)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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