Calcitriol Impurity 62 CAS CATO-C4X-151062
| CAS No. | CATO-C4X-151062 |
| Molecular Formula | C27H44O3 |
| Molecular Weight | 416.64 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a process- or degradation-related impurity, Calcitriol Impurity 62 (CAS CATO-C4X-151062, C27H44O3) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Calcitriol Impurity 62 (C27H44O3) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 416.64 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Calcitriol Impurity 62 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C27H44O3 |
| Molecular Weight | 416.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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 |
Related Calcitriol Standards
- Calcitriol (CAS 32222-06-3)
- Calcitriol Impurity 25 (CAS 134523-84-5)
- Calcitriol Impurity 26 (CAS 57102-09-7)
- Calcitriol Impurity 27 (CAS CATO-C4X-151027)
- Calcitriol Impurity 29 (CAS 96614-28-7)
- Calcitriol Impurity 31 (CAS 96862-25-8)
- Calcitriol impurity 37 (CAS CATO-C4X-151037)
- Calcitriol Impurity 38 (CAS CATO-C4X-151038)
Recommended Standards
- Calcitriol Impurity 6 (CAS CATO-C4X-15106)
- Calcitriol Impurity 7 (CAS 61476-45-7)
- Calcitriol Impurity 58 (CAS CATO-C4X-151058)
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