abstract |
The present invention relates to a method for preparing a single crystal of kanamycin monosulfate and its use. Specifically, one aspect of the present invention also relates to a single crystal form of the compound of the following formula, the single crystal form is a triclinic crystal system, and the unit cell parameter is α=88.48(1)°, β=85.21(1)°, γ=89.19(1)°. The present invention also relates to a method for quality inspection of the single crystal form, a method for preparing the single crystal form, and the use of the single crystal form for identifying a kanamycin monosulfate bulk drug. The method of the present invention exhibits excellent results as described in the specification. |