The ICH Q3C(R9) “Guideline for Residual Solvents” was revised using the ICH Minor Revision Procedure and reached Step 4 of the ICH Process on 24 January 2024.
This minor revision was implemented to include consideration of solvent volatility for analytical methods.
Further information can be found on the Q3C(R9) page, including the Guideline and support documents available for download.