Aromasin (Exemestane) is one of those weird compounds that nobody really knows what to do with. It’s a third generation Aromatase Inhibitor (AI) just like Arimidex (Anastrozole) and Femera (Letrozole).
Description:ExemestaneAlias: Aromasin ; ExemestanCAS NO: 107868-30-4MF: C20H24O2MW: 296.4Purity: 99%Appearance: white solid powder.Applications:the third generation aromatase inhibitors, used in the treatment of metastatic breast cancer and used as aid in the treatment of early breast cancer.Specifications:
TEST ITEMS | SPECIFICATION | RESULTS |
Description | : White Crystaler | White Powder |
Identification | :Â Positive | Positive |
Assay(by HPLC) | :Â 98.0~102.0% | 98.64% |
Absorbance(E1cm) | :Â 465~495 | 482.5 |
Melting Point | : 191~195°C | 193.5~195.0°C |
Loss On Drying | :Â 0.5%max | 0.19% |
Specific Rotation | : +288°~ +298° | +290.2° |
Residue On Ignition | :Â 0.1%max | 0.03% |
Related Substances | :Â Total:1.5%max | <1.3% |
Single:0.5%max | <0.4% | |
Residue Solvents | :Â 0.2%max | 0.10% |
Heavy Metals | :Â 20PPm max | <10PPm |
Conclusion | The specification conform with enterprise standard. | |
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