He added that Mr. Contador is studying whether it is possible to appeal the CAS ruling.
Contador's lawyer Andy Ramos said he did not believe there were any grounds to appeal.
BBC: Spanish rider Alberto Contador cleared of doping charge
Contador said he ate meat contaminated with the substance during one of the Tour's rest days.
BBC: Spanish rider Alberto Contador cleared of doping charge
Contador won the Tour de France and proved himself the complete and superior rider over three weeks.
Contador's defence was that he had eaten a contaminated steak that had been brought in from Spain.
Contador's press officer said he had tested positive for clenbuterol during a rest on the Tour in July.
He promptly bagged eight wins in the Tour de France, seven with Armstrong and one with Alberto Contador.
In other words, Contador, certainly the most talented rider, may land in a less-than-ideal team situation next year.
Fellow Spaniard Samuel Sanchez, Contador's nearest challenger going into the decisive final day, finished third, 45 seconds behind.
During the 2010 Tour de France, the eventual winner Alberto Contador tested positive for a minute quantity of clenbuterol.
Wada is not prosecuting a table tennis player who was found with a level a third higher than Contador's.
Cyclist Alberto Contador, winner of the 2010 Tour de France, has said he has tested positive for a banned substance.
Contador will compete for his new Saxo Bank team in the Tour of Algarve, a five-stage race through southern Portugal.
BBC: Spanish rider Alberto Contador cleared of doping charge
Jacinto Vidarte, a spokesman for Mr. Contador, said the rider plans to address the court's ruling at a news conference Tuesday.
Cycling's governing body, UCI, later confirmed that Contador had been provisionally suspended.
Mr. Contador, who also won the 2007 and 2009 Tour de France races, has blamed the positive test on inadvertently eating contaminated meat.
Mr. Contador now becomes the second Tour de France winner to be stripped of his title, after Floyd Landis, the 2006 winner.
Alberto Contador joined the Astana team, which was then barred from this year's race because of its doping misbehaviour at last year's Tour.
ECONOMIST: The Tour de France is hoping to beat the drug cheats
Alberto Contador won last year, and Oscar Pereiro inherited the 2006 title after Floyd Landis of the United States was disqualified for doping.
Contador, who was riding for the Astana team, won the world's most prestigious race for the third time on 25 July in 2010.
The news comes on the day it was revealed that Tour de France champion Alberto Contador has tested positive for banned drug clenbutrerol.
He said Contador would hold a news conference in his home town of Pinto, in Spain, at 1200 local time (1000 GMT) on Thursday.
Contador, the yellow jersey winner in Paris, first in 2007 and then in 2009, could have been be stripped of the 2010 Tour title.
BBC: Spanish rider Alberto Contador cleared of doping charge
The 2010 champion Andy Schleck missed this year's race with a broken pelvis, while Spain's Alberto Contador is still serving a ban for doping offenses.
And that's without even mentioning the fascinating rivalry with his own team-mate, Alberto Contador, winner in 2007 and the favourite for this year's yellow jersey.
"You get some respect from your peers when you wear this jersey, " said the 31-year-old, who finished runner-up last year to Albert Contador of Spain.
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Even as Team Astana put Contador and Armstrong on the podium and won the overall team victory, another team managed to dazzle fans around the world.
His Astana teammate Lance Armstrong is currently recovering from a broken collarbone before heading to the Giro d'Italia which Contador will skip despite being defending champion.
Dozens of cyclists were allegedly implicated in the scandal, including former Tour de France winner Alberto Contador, who is expected to give evidence in the trial.
BBC: Spain's Dr Eufemiano Fuentes in court for cyclists' doping
Prudhomme also argued that the Tour titles taken away from Spaniard Alberto Contador and American Floyd Landis for doping offenses suggested the current tests do work.
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