Yes
Saddam Hussein may at one time have had ambitions to have nuclear weapons, but he never had them. By the time he was ousted he had no significant chemical weapons. He did have a supergun designed by Gerald Bull.
He had had a variety of chemical weapons including nerve gases, mustard gas, and phosgene.
Very probable Al-Qaeda don't use chemical weapons.
Saddam Hussein ordered the executing of more than 300,000 Shia Muslims in 1991 alone.
The United States of America, and her allies, blundered into a war in a Iraq, thinking that Saddam Hussein had "weapons of mass destruction" (for example nuclear, biological, chemical weapons), when it fact Iraq did not have "weapons of mass destruction".
The Iraqi government under Saddam Hussein did not permit the UN Weapons Inspectors to supervise and examine all of the sites that the inspectors believed could have biological or chemical weapons.
Congress feared Saddam Hussein was stockpiling weapons of mass destruction
The United States has leveled numerous accusations at Saddam Hussein, so just choosing one is rather odd. However, if you are looking for the accusation which was supposed to justify the Iraq War of 2003-2011, this was the accusation that Saddam had stockpiles of "weapons of mass destruction", generally chemical and biological weapons.
Th Chemical Weapons Convention was ratified by Morocco at 29.04.1997.
UN Inspectors came to Iraq to collect Saddam's vast arsenal (at that time) of chemical and biological weapons. Since that point, Iraq had had to comply with such inspections until the fall of Saddam's regime.
that Saddam Hussein had weapons of mass destruction.