Calcifediol EP Impurity D CAS 1233749-00-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1233749-00-2 |
| Molecular Formula | C27H44O2 |
| Molecular Weight | 400.64 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Calcifediol EP Impurity D (CAS 1233749-00-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H44O2. Molecular weight: 400.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H44O2 |
| Molecular Weight | 400.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Calcifediol Standards
- Calcifediol EP Impurity C (CAS 39932-44-0)
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- Calcifediol Impurity 1 (CAS 36149-00-5)
- Calcifediol Monohydrate EP Impurity A (CAS 61585-29-3)
- Calcifediol Impurity 11 (CAS CATO-C4X-189211)
- Calcifediol Impurity 12 (CAS 23357-18-8)
- Calcifediol EP Impurity B (CAS 22145-68-2)
- Calcifediol Impurity 14 (CAS CATO-C4X-189214)
Recommended Standards
- Calcifediol Impurity 5 (CAS 69556-15-6)
- Calcifediol (CAS 19356-17-3)
- Calcifediol Impurity 9 (CAS CATO-C4X-18929)
- Avanafil Impurity 89 (CAS 2250243-36-6)
- Bortezomib Impurity 52 (CAS CATO-C4X-107252)
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