3301-61-9 4CN-1864 ent-16beta,17-Dihydroxykauran-19-oic acid CAS 3301-61-9
| CAS No. | 3301-61-9 |
| Molecular Formula | C20H32O4 |
| Molecular Weight | 336.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3301-61-9 4CN-1864 ent-16beta,17-Dihydroxykauran-19-oic acid (CAS 3301-61-9), molecular formula C20H32O4 and molecular weight 336.47 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H32O4, 3301-61-9 4CN-1864 ent-16beta,17-Dihydroxykauran-19-oic acid 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 336.47 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.
As a certified reference material (CRM), 3301-61-9 4CN-1864 ent-16beta,17-Dihydroxykauran-19-oic acid 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.
Physical & Chemical Properties
| Molecular Formula | C20H32O4 |
| Molecular Weight | 336.47 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
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- Phytomenadione/Vitamin K1 Impurity 100 (CAS CATO-C4X-2207100)
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