DECLARE @Text NVARCHAR(1000)
select @Text = SUBSTRING('CMS/00014456582/693362/004535/JCR_110914_NEW_4535 CMS', CHARINDEX('/', 'CMS/00014456582/693362/004535/JCR_110914_NEW_4535 CMS') + 1,1000)
SELECT SUBSTRING(@Text, CHARINDEX('/', @Text) + 1,6) AS column_name