hour crystalline eltrombopag form i can be used to prepare other forms of eltrombopag and eltrombopag ethanolamine salt in particular crystalline eltrombopag designated form v characterized by data selected from a group consisting of powder xrd pattern having peaks at 5 9 8 2 10 5 and 12 5 u00b0 2 u03b8 u00b1 0 2 u00b0 2 u03b8 a pxrd pattern as depicted in fig7 in certain embodiments the present invention provides a process for preparing crystalline eltrombopag form v comprising preparing crystalline eltrombopag form i by a process comprising crystallizing or suspending eltrombopag form i in glacial acetic acid and converting it to crystalline eltrombopag form v by a process comprising crystallizing eltrombopag form v from a mixture of tetrahydrofuran u201c thf u201d and water in another embodiment the present invention encompasses crystalline eltrombopag characterized by a data selected from a group consisting of powder xrd pattern having peaks at 9 2 11 2 12 2 and 14 0 u00b0 2 u03b8 u00b1 0 2 u00b0 2 u03b8 a pxrd pattern as depicted in fig3 a solid state 13 c nmr spectrum having peaks at 170 6 128 7 124 2 and 113 8 u00b1 0 2 ppm a solid state 13 c nmr spectrum as depicted in fig3 and any combination thereof this crystalline form of eltrombopag.