As per the PerkinElmer Informatics Product Life Cycle, the ChemOffice 18.x suite (including ChemDraw Prime 18.x, ChemDraw Professional 18.x, and ChemOffice Professional 18.x) have entered the Sunset phase, effective February 25, 2022. Unless otherwise provided, the Sunset phase shall end one (1) year from the effective date immediately above. On February 26, 2023, these versions of ChemOffice and related products will reach End of Life (“EOL”). During the Sunset phase, we will continue to provide limited support to each Customer with an active maintenance for this Product, as described in the Product Life Cycle. Except for the support options described in the PerkinElmer Informatics Product Life Cycle, once EOL is reached PerkinElmer will no longer provide support for these products. Desktop suite products include ChemDraw Prime, ChemDraw Professional, Chem3D, ChemFinder, and ChemOffice Professional for the Desktop suite 18.x. Customers using the ChemDraw Active-X control CDAX Const or CDAX Const NA 18.0 in E-Notebook can continue using their version of CDAX and upgrade their desktop environment to a later version of ChemDraw. Customers with a current Annual Subscription or under active maintenance are eligible for upgrade. Customers with existing perpetual licensing who are not currently under active maintenance can purchase an upgrade license.