Sunan an-Nasa'i 25
Sahih Graded by Abu Ghuddah Book of The Book of Purification · Hadith 25 of 5,758أَخْبَرَنَا هَنَّادُ بْنُ السَّرِيِّ، عَنْ وَكِيعٍ، عَنْ هِشَامٍ، عَنْ يَحْيَى، - هُوَ ابْنُ أَبِي كَثِيرٍ - عَنْ عَبْدِ اللَّهِ بْنِ أَبِي قَتَادَةَ، عَنْ أَبِيهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِذَا دَخَلَ أَحَدُكُمُ الْخَلاَءَ فَلاَ يَمَسَّ ذَكَرَهُ بِيَمِينِهِ " .
Narrated by Abdullah bin Abi Qatadah
It was narrated from 'Abdullah bin Abi Qatadah that his father said:"The Messenger of Allah (ﷺ) said: 'When any one of you enters Al-Khala' (the toilet), let him not touch his penis with his right hand
References
Sunan an-Nasa'i 25
In-book: Book 1, Hadith 25 Source: hadith-api (fawazahmed0)