Reference, substance, and reaction information can all be sent to SciPlanner. Learn how to use the tool.
According to CAS's operating hours, SciFinder is available Sunday 1:00 am to Saturday 10:00 pm.
On the first Saturday of each month, SciFinder will not be available at 5pm Saturday until 1:00am the next day (Sunday).
Note: All Times Listed are U.S. Eastern Time.