Small molecules & peptides

rac [¹¹C]-AIB precursor

Precursor for [¹¹C]-AIB (α-aminoisobutyric acid)

N-Benzhydrylidenealanine methyl ester; methyl 2-(benzhydrylidene)alaninate; methyl alanine benzophenone imine; methyl-N-(diphenylmethylene)alaninate

Methyl N-(diphenylmethylene)alaninate


Research Chemical


Molar mass 267.33

CAS RN [115134-32-2] ((*S*)-AIB-precursor)

Purity ≥ 90 %

  • Colorless oil


CoA: appearance, ¹H NMR spectrum


Kato K. et al. An efficient and expedient method for the synthesis of ¹¹C-labeled α-aminoisobutyric acid: A tumor imaging agent potentially useful for cancer diagnosis. Bioorg. Med. Chem. Lett. 2011, 21, 2437–2440.

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