STN Commands and Quick
Reference Resources

STN^® quick reference cards and guides provide step-by-step procedures and examples for features and commands.

• ANALYZE and TABULATE for Statistical Analysis (PDF) 
• Archive and Redistribute Results with the STN Information Keep & Share Program^SM (PDF) 
• Basic STN Commands (PDF) 
• CA^SM Section Thesaurus (PDF) 
• CAS REGISTRY^SM: Finding CAS Registry Numbers^® (PDF) 
• CAS REGISTRY: Stereoisomer Searching (PDF)
• CAS Roles in CA/CAplus^SM (PDF)
• CASLINK for One-step Structure Searching in CAS REGISTRY, MARPAT^®, and CAplus (PDF)
• Citation Searching in SciSearch^® (PDF)
• Current Awareness Alerts (SDIs) User Guide (PDF) 
• DUPLICATE for Identifying or Removing Duplicate Records (PDF)
• INDEX for Evaluating Databases and Searches (PDF)
• Patent-specific topics
  • Cited Patent Searching (PDF) 
  • FSEARCH for Finding Patent Families (PDF) 
  • FSORT for Grouping Patent Records into Families (PDF) 
  • Patent Search Fields (PDF) 
• Polymer Information on STN (PDF)
• Sequence-specific topics
  • CAS REGISTRY: BLAST Similarity Searching via STN Express^® (PDF)
  • 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)
• STN Index User Guide (PDF)
• Thesauri on STN (PDF)
• TRANSFER for Crossfile Searching (PDF)