Announcing GC/ID Version 4.0 Announcing GC/ID Version 4.0 Announcing GC/ID Version 5.0 Announcing GC/ID Version 3.0 Posted in News January 7, 2023 News: Announcing GCID v. 4.0 GC/ID Version 4.0 has been released. Read about this exciting product which can make quick work of positive compound ID on single quad systems. Share this article: Related Articles Cerno Unveils Breakthroughs in Accurate Small Molecule and Unknown Compound Identification at the 2025 American Society for Mass Spectrometry (ASMS) Meeting Announcing MassWorks Version 4.0 sCLIPS JASM Cerno now distributes NIST and Wiley MS Libraries