Iranian lawmaker Mohammad Karim Abedi said in an interview with IRNA on Thursday that the UN Security Council resolution "lacks any legal and political value."
Iran has already encountered such resolutions, but "none of them had any impact on Iran," Abedi was quoted as saying.
Referring to his country's international commitments concerning its nuclear program, he said that Iran has always respected the international conventions.
Also, Iran's Parliament Speaker Ali Larijani said the United States is playing a "naive game" over the country's controversial nuclear program, local English language satellite Press TV reported on Thursday.
Larijani made the remarks on Wednesday after the UN Security Council voted in favor of imposing fresh sanctions against Tehran over its nuclear program, the report said.
By pushing towards sanctions, "the U.S. game against Iran was being spearheaded by the Zionist (Israel) lobby," he said according to Press TV.
On Thursday, Chinese Special Envoy to the Middle East Wu Sike said that China is keen to find a peaceful solution to the Iranian nuclear issue through diplomatic ways.
"China objects to Iran developing nuclear weapons, but it supports, however, its right in the peaceful use of nuclear energy," he said at a press conference held in the Chinese embassy in Damascus.
"UN resolution does not close the door to diplomatic solution," he added.
Meanwhile, Russia said Thursday it would freeze the sale of S-300 air defense systems to Iran in line with new UN sanctions against Iran adopted a day earlier.