Megestrol Acetate EP Impurity L CAS CATO-C4X-141415
| CAS No. | CATO-C4X-141415 |
| Molecular Formula | C48H64O8 |
| Molecular Weight | 769.02 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Megestrol Acetate EP Impurity L.
CATO supplies Megestrol Acetate EP Impurity L (CAS CATO-C4X-141415), a pharmacopoeial impurity reference standard (molecular formula C48H64O8, MW 769.02 g/mol) used for the identification and quantification of trace impurities in APIs.
Megestrol Acetate EP Impurity L (C48H64O8) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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.
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 | C48H64O8 |
| Molecular Weight | 769.02 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Megestrol Standards
- Megestrol Acetate EP Impurity L (CAS 3050754-59-8)
- Megestrol acetate EP Impurity G (CAS 1259198-59-8)
- Megestrol acetate EP Impurity H (CAS 907193-65-1)
- Megestrol Acetate EP Impurity I (CAS CATO-C4X-14149)
- Megestrol Acetate-d3 (CAS 162462-72-8)
- Megestrol Acetate EP Impurity J (CAS 14994-27-5)
- Megestrol Acetate EP Impurity C (CAS 74910-22-8)
- Megestrol Acetate EP Impurity D (CAS 32634-95-0)
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Why CATO?
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