The IUPAC name of CH₃CH₂CH₂CH₂NH₂ is:
The compound has a four-carbon chain with an amine group on the first carbon, named butan-1-amine, as per the PDF’s nomenclature.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Chemical Reactions - Carbylamine Reaction and General Reactions