DECLARE @GUIDList NVARCHAR(1000),@GUID NVARCHAR(1000),@sql NVARCHAR(1000)
SET  @GUIDList = 'CEE720E77B384D00BAD76782B7F94234,A062240DCF1841A9B7075D44FA800E4F'
SET @GUID = '''' + REPLACE(@GUIDList,',',''',''') + ''''
SET @sql = N'SELECT * FROM  [Output].[tblOutput_Interface0004_Header] WHERE GUID IN ('+@GUID+')'
PRINT (@sql)
EXEC sp_executesql @sql