Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 6 months ago

Yes it is permissible to do that, even you can keep Najis leather or any other Najis items in your pocket during Salah as far as Najis items are not wet because wet Najis item will make your pocket Najis which will invalidate your Salah.

Wassalam.