Syria's governement says a presidential election will take place on June 3, but Western leaders say the vote is a "parody of democracy".
Syria's exiled opposition will be barred from a presidential election to be held before July, virtually ensuring Bashar al-Assad's re-election.
The international mediator for Syria has apologised for a lack of progress at "laborious" talks in Geneva.
Russia has offered assurances that the Syrian government will soon ship more toxic agents abroad for destruction.
Aid agencies in Syria have evacuated hundreds of people from the rebel-held Damascus suburb of Yarmouk.
Syria has started moving chemical weapons materials out of the country as part of the disarmament programme, which has faced technical problems.
Despite global outrage over the use of chemical weapons, Bashar al-Assad's government is successfully exploiting divisions among the opposition.
Long-delayed peace talks aimed at ending the Syrian conflict have provisionally been set for November 23.
Following a chemical attack in Damascus, disarmament experts will begin cataloguing Syria's arsenal of chemical weapons in order to destroy it.
At least nine people, most of them students, were killed in an air strike that hit a school in the rebel-held Syrian city of Raqqa on Sunday.
South Africa has welcomed a decision providing for the destruction of chemical weapons in Syria, the department of international relations has said.
People in the Alawite heartland of Qerdaha say they are willing to die for the Syrian president.
President Bashar al-Assad is willing to get rid of Syria's chemical weapons arsenal, but says it will cost $1-billion and take a year.
Germany has rejected a suggestion it might have contributed to the sarin attack in Damascus after it was revealed the country sold chemicals to Syria.
Despite France's sentiments, Russia's foreign minister has said there was no proof that Bashar al-Assad's troops carried out the attack on Damascus.
UN chemical weapons investigator Ake Sellstrom has found in his report that nerve agent sarin was used in the August 21 attack on Damascus.
An elite Syrian unit that runs the state's chemical arms programme has been dispersing the weapons to dozens of sites across the country, say reports.
The US's decision to not strike Syria leaves Saudi Arabia and Qatar with a few options beyond continuing to fund one side in a military stalemate.
US Secretary of State John Kerry has said that Syria is holding thousands of tonnes of unmixed "binary components".