Category | Details |
---|---|
Name | 16-beta Methyl Epoxide (16β-Methyl Epoxide) |
CAS Number | 24916-90-3 |
Synonyms | 16-ALPHA METHYL EPOXIDE; 8DM; 9,11β-EPOXY-17,21-DIHYDROXY-16α-METHYL-PREGNA-1,4-DIENE-3,20-DIONE; 9β,11β-EPOXY-17,21-DIHYDROXY-16α-METHYLPREGNA-1,4-DIENE-3,20-DIONE; 16α-Methyl epoxide (8-DM); 16β-Methyl Epoxide 21-Acetate; Others listed in user data. |
Molecular Formula | C₂₂H₂₈O₅ |
Molecular Weight | 372.45 g/mol |
Appearance | Pale-Yellow Solid |
Melting Point | 210-220°C |
Boiling Point | 564.9 ± 50.0°C (Predicted) |
Density | 1.32 g/cm³ |
Flash Point | 198°C |
Solubility | Slightly soluble in Chloroform (heated/sonicated), DMSO (sonicated), Methanol; Insoluble in water. |
Storage | Sealed, dry, stored at 2-8°C |
pKa | 12.56 ± 0.70 (Predicted) |
Color | White to Pale Yellow |
Definition | Pyrethrolone ester of chrysanthemumdicarboxylic acid. One of the four primary active insecticidal ingredients of pyrethrum flowers. |
Usage | – Metabolite of Mometasone Furoate. – Intermediate for anti-inflammatory drugs (e.g., Betamethasone). – Reference standard for drug purity testing. |
Raw Material | Hecogenin (Dioscorea opposita saponin) |
Preparation | Derived via epoxidation and esterification of Hecogenin. |
Safety | Irritant (Xi hazard code). |
Regulatory | Compliant with hazardous material regulations (EU EINECS: 213-563-4; China HS Code: 2918990090). |
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