Prednisolone-d8 CAS CATO-LCAD302219-ME
| CAS No. | CATO-LCAD302219-ME |
| Molecular Formula | - |
| Molecular Weight | 368.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Prednisolone-d8 (CAS CATO-LCAD302219-ME) is a high-purity analytical reference standard with the molecular formula C21H20D8O5 and a molecular weight of 368.49 g/mol.
Structurally, Prednisolone-d8 (C21H20D8O5) contains deuterium isotope labeling, a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 368.49 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H20D8O5 |
| Molecular Weight | 368.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 100μg/mL in Methanol |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Prednisolone Standards
- Prednisolone-d8 (Major) (CAS CATO-C4X-191924)
- Prednisolone-d8 (CAS CATO-CCAD302219)
- Prednisolone-D6 (CAS CATO-C4X-191930)
- Prednisolone impurity 55 (CAS CATO-C4X-173755)
- Prednisolone impurity 64 (CAS 50557-66-9)
- Prednisolone Impurity 19 (CAS 61549-70-0)
- Prednisolone impurity 59 (CAS CATO-C4X-173759)
- Prednisolone 20alpha-Hydroxy Impurity (CAS 15847-24-2)
Recommended Standards
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- Cortisone-d8 (CAS 1257650-98-8)
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- 4-Bromo-5-chloroindoline-2,3-dione (CAS 65971-75-7)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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