MBCTT Precursor for [¹⁸F]FBCTT (fluorbutinylcarboxymethyltolyltropane) Mesylbutinylcarboxymethyltolyltropane; (2S,3S,5R)-methyl 8-(4-(methylsulfonyloxy)but-2-ynyl)-3-p-tolyl-8-azabicyclo[3.2.1]octane-2-carboxylate CA index name: 8-Azabicyclo[3.2.1]octane-2-carboxylic acid, 3-(4-methylphenyl)-8-[4-[(methylsulfonyl)oxy]-2-butyn-1-yl]-, methyl ester, (1R,2S,3S,5S)- Quality Research Chemical Characteristics Molar mass 405.51 CAS RN [1192248-76-2] Purity ≥ 95 % colorless solid soluble in chloroform