Sahih Muslim 408
صحيح مسلم#408SahihThis hadith, the like of one narrated by Yunus has also been transmitted by Ma'mar on the authority of al-Zuhri who narrated:Allah the Most Glorious and Exalted revealed this:" You who are shrouded, arise and deliver warning, your Lord magnify, your clothes cleanse and defilement shun," before making the prayer obligatory. I felt terror-stricken as narrated by Uqail
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 1:313