Chemical Name: D-Streptamine, O-3-amino-3-deoxy-α-D-glucopyranosyl-(1→6)- O-[6-amino-6-deoxy-α-D- glucopyranosyl-(1→4)]-N1-(4-amino-2-hydroxy-1-oxobutyl)-2-deoxy-, (S)-,sulfate(1:2 or 1.8) (salt) O-3-Amino-3-deoxy-αD-glucopyranosyl-(1→4)-O-[6-amino-6- deoxy-α-D-glucopyranosyl- (1→6)-N3-(4-amino-L-2-hydroxy- butyryl)-2-deoxy-L-streptamine sulfate(1:2 or 1.8) Commodity: Amikacin Sulfate Structure: Molecular Formula: C22H43N5O131.8H2SO4 C22H43N5O132H2SO4 Molecular Weight: 762.14 (1:1.8 salt) 781.75 (1:2 salt) CAS No.: 39831-55-5 Specifications: Appearance: White crystalline powder Identification: Positive Crystallinity: Meets the requirement Assay(On dry basis): 691806 μg/mg (1:1.8 salt) 674786 μg/mg (1:2 salt) PH Value: 2.0~4.0 (1:2), 6.0~7.3 (1:1.8)

Specific rotation: +76°+84°

Loss on drying ≤13.0

Residue on Ignition ≤1.0% Usage: Anti-infection