426-13-1 Fluorometholone 9-alpha-fluoro-11-beta,17-alpha-dihydroxy-6-alpha-methylpregna-1,4-diene-3,20-dione
Prodcut name |
Fluoromethalone |
Synonyms |
9a-Fluoro-11b,17a-dihydroxy-6a-methyl-1,4-pregnadiene-3,20-dione; 11b,17a-Dihydroxy-9-fluoro-6-methyl-1,4-pregnadiene-3,20-dione |
MOQ |
1G |
CAS No. |
426-13-1 |
Appearance |
White or almost white crystalline powder |
Molecular Formula |
C22H29FO4 |
Molecular Weight |
376.47 |
Items | Specifications | Results |
Appearance | White to yellowish-white, crystalline powder | Almost white crystalline powder |
Identification | A,B, C | Conform |
Specific Optical Rotation | 52°~+60° | +55.6° |
Loss on drying | ≤1.0% | 0.07% |
Residual solvent | Tetrahydrofuran ≤720ppm | Conform |
Acetone≤5000ppm | conform | |
Methanol | None | |
Dichloromethane≤600ppm | None | |
Residual on ignition | ≤0.2% | 0.10% |
Grain Size | 99%<30micron | |
Assay | 97.0%~103.0% | 98.35% |
Conclusion | The above product conforms to USP34 |
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