How should waste containing Azathioprine Impurity 9 (CAS: 872-49-1) be handled?

Waste containing Azathioprine Impurity 9 (CAS: 872-49-1) should be handled in accordance with environmental protection guidelines. Waste should be collected in appropriate containers, labeled clearly, and stored in a secure location. Professional waste disposal services should be utilized for safe incineration or other disposal methods to prevent environmental contamination. Compliance with local and national regulations is essential to ensure safety and environmental protection.