(15S)-15-Methyl-14-oxotetracyclo[8.7.0.0²,7.0¹¹,¹5]-heptadeca-2,4,6,9-tetraen-5-yl acetate CAS 43085-97-8
| CAS No. | 43085-97-8 |
| Molecular Formula | C20H22O3 |
| Molecular Weight | 310.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(15S)-15-Methyl-14-oxotetracyclo[8.7.0.0²,7.0¹¹,¹5]-heptadeca-2,4,6,9-tetraen-5-yl acetate (CAS 43085-97-8) is a high-purity analytical reference standard with the molecular formula C20H22O3 and a molecular weight of 310.39 g/mol.
Based on its molecular formula C20H22O3, (15S)-15-Methyl-14-oxotetracyclo[8.7.0.0²,7.0¹¹,¹5]-heptadeca-2,4,6,9-tetraen-5-yl acetate 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 310.39 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).
As a certified reference material (CRM), (15S)-15-Methyl-14-oxotetracyclo[8.7.0.0²,7.0¹¹,¹5]-heptadeca-2,4,6,9-tetraen-5-yl acetate 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 | C20H22O3 |
| Molecular Weight | 310.39 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
Recommended Standards
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