| abstract |
Disclosed are a high purity of Caspofungin or salts thereof, and a preparation method therefor, and use thereof. Disclosed are a Caspofungin or salts thereof with low solvent residue and hyposaline, and a preparation process therefor comprising: dissolving a crude product of Caspofungin or salts thereof into a system of water and acetic acid, then mixing with a first organic solvent ethyl alcohol, subsequently mixing with a second organic solvent ethyl acetate, then being subject to filtration and drying together with water, to obtain Caspofungin or salts thereof having high stability, low solvent residue and hyposaline. |