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Alprostadil/Prostaglandin E1
前列地尔/前列腺素E1
CAS No：745-65-3
Molecular Formula：C20H34O5
Molecular Weight：354.48
TEST SPECIFICTIONS Description A white or almost white, crystals or crystalline powder Identification According to the requirements Optical rotation -53.0°~-61.0° Melting point 114~118℃ Residue on ignition ≤0.5% Water content ≤0.5% Prostaglandin A1 ≤1.5% Prostaglandin B1 ≤0.1% Any foreign prostaglandin impurity eluting before prostaglandin A1 ≤0.9% Impurity at relative retention time 0.6, relative to prostaglandin A1 ≤0.9% Residue solvents Acetone≤0.5% Methanol≤0.3% Toluene≤0.089% Tetrahydrofuran≤0.072% Ethyl acetate≤0.5% Dichloromethane≤0.06% Assay 95%~105% Conclusion: Complies with USP standards. Alprostadil; Prostaglandin E1;745-65-3