Surah As-Saffat 37:112

وَبَشَّرْنَـٰهُ بِإِسْحَـٰقَ نَبِيًّا مِّنَ ٱلصَّـٰلِحِينَ

And We gave him good tidings of Isaac, a prophet from among the righteous.

Translation: Saheeh International

Tafsir

And We gave him the good tidings of the birth of Isaac — some have argued that this proves that the one who was sacrificed was not him Isaac — a prophet nabiyyan is a future circumstantial qualifier that is to say ‘he will come to be with his prophethood decreed one of the righteous.

Excerpt from Tafsir al-Jalalayn, commentary on 37:112, via Quran.com. The reader has the full commentary and 9 more tafsirs.