Vitamin K1 CAS 81818-54-4
Purity >95%In StockPharmaceutical Standards
| CAS No. | 81818-54-4 |
| Molecular Formula | C31H46O2 |
| Molecular Weight | 450.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Vitamin K1 (CAS 81818-54-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C31H46O2. Molecular weight: 450.70 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C31H46O2 |
| Molecular Weight | 450.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
Related Vitamin Standards
- Vitamin K1-18O (Mixture of 1-18O and 4-18O) (CAS 79083-00-4)
- Vitamin K1 Impurity 10 (CAS 132487-95-7)
- Vitamin K1 Impurity 11 (CAS CATO-C4X-220711)
- Vitamin K1 Impurity 12 (CAS CATO-C4X-220712)
- Vitamin K1 Impurity 13 (CAS 132487-93-5)
- Vitamin K1 Impurity 14（Z-Isomer) (CAS CATO-C4X-220714)
- Vitamin K1 Impurity 15 (CAS 132487-94-6)
- Vitamin K1 Impurity 31 (CAS 19274-66-9)
Recommended Standards
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- 2,2'-(2-Phenylethene-1,1-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 67533-31-7)
- Indenestrol-d3 (CAS 2714411-12-6)
- Brinzolamide Impurity 3 (CAS CATO-C4X-19403)
- 4'-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-[1,1'-biphenyl]-4-carboxylic acid (CAS 215248-42-3)
- 2-Amino-4-methyl-N-(1-methyl-1H-indazol-6-yl)benzamide (CAS 1797254-74-0)
- Anthraquinone Related Compound 4 (CAS 69119-31-9)
- Neuropeptide AF (human) (CAS 192387-38-5)
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