143839-02-5 2,24-Dihydroxyursolic acid C30H48O5 W2597 CAS 143839-02-5
| CAS No. | 143839-02-5 |
| Molecular Formula | C30H48O5 |
| Molecular Weight | 488.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 143839-02-5 2,24-Dihydroxyursolic acid C30H48O5 W2597 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.
143839-02-5 2,24-Dihydroxyursolic acid C30H48O5 W2597 (CAS 143839-02-5), molecular formula C30H48O5 and molecular weight 488.70 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C30H48O5, 143839-02-5 2,24-Dihydroxyursolic acid C30H48O5 W2597 contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 488.70 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).
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.
Physical & Chemical Properties
| Molecular Formula | C30H48O5 |
| Molecular Weight | 488.70 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
Recommended Standards
- Rimegepant Impurity 148 (CAS CATO-C4X-2487148)
- 150821-16-2 Olean-12-en-28-oicacid, 2,3,23-trihydroxy-, (2a,3a,4b)- (CAS 150821-16-2)
- Di([1,1'-biphenyl]-4-yl)diphenylsilane (CAS 3172-33-6)
- 152243-70-4 Olean-12-en-28-oicacid, 3,6,23-trihydroxy-, (3b,4a,6b)- (CAS 152243-70-4)
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- Ethyl 5-[4-(Ethoxycarbonyl)phenyl]isoxazole-3-carboxylate (CAS 1820686-51-8)
- methyl 4-chloro-2-fluoro-6-methoxybenzoate (CAS 1823338-45-9)
- 2-Isopropylisoindoline (CAS 117135-91-8)
- {5H,6H,7H-pyrrolo[1,2-a]imidazol-3-yl}methanamine dihydrochloride (CAS 2126178-84-3)
- 5-(4-Fluorophenyl)nicotinamide (CAS 1356110-50-3)
- 2-(2,5-Dimethylbenzoyl)-5-methylpyridine (CAS 1187166-35-3)
- 2'-Nitro-[1,1'-biphenyl]-3,4',5-tricarboxylic acid (CAS 360042-53-1)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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