CAS No.69898-40-4
EINECS No.274-194-2
Purity: >98.0%(HPLC)
Chemical name: 3-(1-Ethyl-2-methylindol-3-yl)-3-(2-ethoxy-4-diethylaminophenyl)-4-azaphthalide
Application:thermal/pressure sensitive paper; thermochromic inks and pigments.