By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
WITH yourTable AS (
SELECT 'CAH132242F0A' AS col
)
SELECT col,
TIMESTAMPADD(DAY,
CAST(SUBSTRING(col, 6, 3) AS UNSIGNED),
CAST(CONCAT(2000 + CAST(SUBSTRING(col, 4, 2) AS UNSIGNED), '-01-01') AS date)
) AS date
FROM yourTable;
| col | date |
|---|---|
| CAH132242F0A | 2013-08-13 |