Sahih Bukhari | Volume 8 | Hadith Number 736

Narrated by Al-Bara
The last Qur'anic Verse that was revealed (to the Prophet) was the final Verse of Surat- an-Nisa, i.e. "They ask you for a legal verdict Say: Allah directs (thus) About those who leave No descendants or ascendants as heirs..." (4:176)