can't read?
BI-0070 (OTTO) 1-Butyl-1-methylpyrrolidinium chloride, 99% Cas 479500-35-1 is an ionic liquid.
BI-0070 (OTTO) 1-Butyl-1-methylpyrrolidinium chloride, 99% Cas 479500-35-1 - used in chemical syntheses, biotechnology and chemical engineering,