Nope. CASE is not a control flow statement but its just a conditional expression.
if you really need to do it you need this
SELECT 'Active' AS Description,'Good' AS Condition
FROM Table_A
WHERE Product_ID = 'A'
UNION ALL
SELECT 'Obselete','Bad'
FROM Table_A
WHERE Product_ID = 'B'
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SQL Server MVP
http://visakhm.blogspot.com/