11-alpha-Hydroxy-4-pregnene-3,20-dione 11-hemisuccinate 4-((8S,9S,10R,11R,13S,14S,17S)-17-acetyl-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-11-yloxy)-4-oxobutanoic acid 41238-98-6 CAS 41238-98-6
| CAS No. | 41238-98-6 |
| Molecular Formula | C25H34O6 |
| Molecular Weight | 430.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
11-alpha-Hydroxy-4-pregnene-3,20-dione 11-hemisuccinate 4-((8S,9S,10R,11R,13S,14S,17S)-17-acetyl-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-11-yloxy)-4-oxobutanoic acid 41238-98-6 (CAS 41238-98-6), molecular formula C25H34O6 and molecular weight 430.53 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C25H34O6, 11-alpha-Hydroxy-4-pregnene-3,20-dione 11-hemisuccinate 4-((8S,9S,10R,11R,13S,14S,17S)-17-acetyl-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-11-yloxy)-4-oxobutanoic acid 41238-98-6 contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 430.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C25H34O6 |
| Molecular Weight | 430.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
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