Cholecalciferol EP Impurity A CAS 22350-41-0
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 22350-41-0 |
| Molecular Formula | C27H44O |
| Molecular Weight | 384.64 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Cholecalciferol EP Impurity A (CAS 22350-41-0) pharmacopoeial impurity standards reference standard. Molecular formula: C27H44O. Molecular weight: 384.64 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C27H44O |
| Molecular Weight | 384.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >90% |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Cholecalciferol Standards
- trans-Cholecalciferol (CAS 1260149-80-1)
- Cholecalciferol Impurity 15 (CAS 42607-12-5)
- Cholecalciferol EP Impurity B (CAS 434-16-2)
- Cholecalciferol EP Impurity C (CAS 5226-01-7)
- Cholecalciferol EP Impurity D (CAS 22350-43-2)
- Cholecalciferol EP Impurity E (CAS 17592-07-3)
- Cholecalciferol-d6 (Vitamin D3-d6) (CAS 118584-54-6)
- Cholecalciferol Impurity 26 (CAS CATO-C4X-158626)
Recommended Standards
- Vitamin D3 Impurity 4 (CAS 573951-39-0)
- Ethyl 2-(5,6-dichloro-2-(2-chloropyridin-3-yl)-1H-benzo[d]imidazol-1-yl)acetate (CAS 337920-66-8)
- 5, 22Z-CHOLESTADIEN-3β-OL (CAS 26033-10-3)
- Memantine Impurity 43 (CAS 53343-18-3)
- Butylphthalide Impurity 26 (CAS 20871-40-3)
- (6S)-4-benzyl-1,4-oxazepan-6-ol (CAS 943443-05-8)
- (R)-(1-(4-(Benzyloxy)-3-(2-((tert-butyldimethylsilyl)oxy)ethyl)phenyl)-2-bromoethoxy)(tert-butyl)dimethylsilane (CAS 371783-90-3)
- 3-(aminomethyl)-N-propylbenzamide (CAS 926225-15-2)
- 1H-1,2,3-benzotriazol-1-ylmethanol 1H-1,2,3-benzotriazole-1-methanol 28539-02-8 InChI=1/C7H7N3O/c11-5-10-7-4-2-1-3-6(7)8-9-10/h1-4,11H,5H (CAS 28539-02-8)
- 263251-78-1 NMG938VJ6T D-3 Tavilermide [USAN:INN] UNII-NMG938VJ6T MIM-D3 MIM-D 3 D 3 (peptide) Tavilermide (CAS 263251-78-1)
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