How To Transfer SCN to Redo Log Sequence

Sometimes we need to know date and redo log sequence from SCN
When we debug, we know SCN, then we need to know what archive logs and log sequence number

ie we have SCN 0x0b09.1c7947c0 . its hex
We converts it  to decimal it is 12133760321472

use below sql to do it

SELECT thread#, name, sequence#, first_time, next_time
   FROM gv$archived_log
  WHERE 12133760321472
BETWEEN first_change# AND next_change#;