Prednisolone impurity 54 CAS CATO-C4X-173754
| CAS No. | CATO-C4X-173754 |
| Molecular Formula | C21H28O4 |
| Molecular Weight | 344.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Prednisolone impurity 54 (CAS CATO-C4X-173754) is a certified pharmaceutical impurity reference standard with the molecular formula C21H28O4 and a molecular weight of 344.44 g/mol.
The molecular framework of Prednisolone impurity 54 (C21H28O4) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures Prednisolone impurity 54 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H28O4 |
| Molecular Weight | 344.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Prednisolone Standards
- Prednisolone EP Impurity J (CAS 1807-14-3)
- Prednisolone EP Impurity I (CAS 13479-38-4)
- Prednisolone Acetate EP Impurity D (CAS 20423-99-8)
- Prednisolone Impurity 22 (CAS 37927-29-0)
- Prednisolone impurity 57 (CAS 95671-46-8)
- Prednisolone Impurity 52 (CAS 118864-87-2)
- Prednisolone Impurity 28 (CAS CATO-C4X-191928)
- Prednisolone EP Impurity H (CAS 2427-64-7)
Recommended Standards
- Lovastatin Impurity 12 (CAS CATO-C4X-168412)
- Hydrocortisone Impurity 68 (CAS 3103-16-0)
- Methylprednisolone EP Impurity E (CAS 229019-44-7)
- Hydrocortisone (Z)-17-Deoxyaldehyde Derivative (CAS 105562-13-8)
- Mianserin Impurity 68 (CAS CATO-C4X-136968)
- Saxagliptin Impurity 31 (CAS 1564265-95-7 (free base))
- Pemafibrate Impurity 89 (CAS CATO-C4X-290389)
- Methyl 4-fluoro-3-pivalamidobenzoate (CAS 1090610-51-7)
- N1-methyl-N1-((1-methylpiperidin-3-yl)methyl)ethane-1,2-diamine (CAS 1353951-83-3)
- n-(4-Hydroxyphenyl)-2-(pyridin-3-yl)acetamide (CAS 1484975-37-2)
- 2-(Diethylamino)-1-(1H-indol-3-yl)ethanone (CAS 92292-25-6)
- 6,7-Dichloro-2,3-dihydro-1H-inden-1-one (CAS 68755-30-6)
- 1,2-Dihydronaphtho[2,1-b]furan-1-acetic Acid (CAS 109433-26-3)
- Peptide Impurity 70 TFA Salt (CAS CATO-CPTD788570)
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 18665070610 / Nicole.chen@cato-chem.com