CAS Number: 109065-57-8 | Description: A precursor of 4-Oxo-4-(3-pyridyl) butanal, a metabolite of the tobacco-specific nitrosamine, NNK (Cat. #M32575). Compound requires removal of protecting group. | Manufacturer: Toronto Research Chemicals | Category: Heterocycles, Nicotine Derivatives, Intermediates, | Quotation request

