STN® quick reference cards and guides provide step-by-step procedures and examples for features and commands.
Archive and Redistribute Results with the STN Information Keep & Share ProgramSM (PDF)
Basic STN Commands (PDF)
CASM Section Thesaurus (PDF)
CAS Roles in CA/CAplusSM (PDF)
CASLINK for One-Step Structure Searching in CAS REGISTRY, MARPAT®, and CAplus (PDF)
DUPLICATE for Identifying or Removing Duplicate Records (PDF)
Patent-Specific Topics
Cited Patent Searching (PDF)
Patent Search Fields (PDF)
Sequence-Specific Topics
CAS REGISTRY: Exact and Pattern Searching of Nucleic Acid Sequences (PDF)
CAS REGISTRY: Exact and Pattern Searching of Protein Sequences (PDF)
Motif Sequence Searching (PDF)
STNindex User Guide (PDF)
Thesauri on STN (PDF)
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