Cholecalciferol EP Impurity F (Cholecalciferol Butyrate) CAS 31316-20-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 31316-20-8 |
| Molecular Formula | C31H50O2 |
| Molecular Weight | 454.73 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cholecalciferol EP Impurity F (Cholecalciferol Butyrate) (CAS 31316-20-8) 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 | >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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
Related Cholecalciferol Standards
- Cholecalciferol Impurity 25 (CAS CATO-C4X-158625)
- Cholecalciferol Impurity 27 (CAS CATO-C4X-158627)
- Cholecalciferol Impurity 31 (CAS CATO-C4X-158631)
- Cholecalciferol Impurity 33 (CAS CATO-C4X-158633)
- Cholecalciferol Impurity 34 (CAS CATO-C4X-158634)
- Cholecalciferol Sulfate (CAS 10529-43-8)
- Cholecalciferol Impurity 18 (CAS CATO-C4X-158618)
- Cholecalciferol Impurity 19 (CAS CATO-C4X-158619)
Recommended Standards
- Stigmasterol 3-Acetate (CAS 4651-48-3)
- Octacosanedioic acid (CAS 5632-97-3)
- Dinonyl sebacate (CAS 4121-16-8)
- Phenylephrine Impurity 33 (CAS CATO-C4X-146733)
- Finerenone Impurity 110 (CAS CATO-C4X-2880110)
- 5-Methoxy-1-methyl-1,2,3,6-tetrahydropyridine (CAS 98435-42-8)
- (E)-{1-[2-(4-chlorophenyl)-4-methyl-1,3-thiazol-5-yl]ethylidene}amino cyclopropanecarboxylate (CAS 477872-55-2)
- 2-(4-(Difluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridin-2-yl)acetonitrile (CAS 1804360-63-1)
- 2-(3-Fluoro-4-methoxyphenyl)-1H-indole-3-carbaldehyde (CAS 590391-04-1)
- Semaglutide impurity 73 (CAS CATO-C4X-222673)
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