• User Documentation Home
• Commands and Features
• Chemical Literature and Patents (CA/CAplus)
• Substances: Getting Started in REGISTRY
• Structures (REGISTRY)
• Sequences (REGISTRY)
• Polymers (REGISTRY)
• Markush Structures (MARPAT)
• Reactions (CASREACT)
• Patent Information
• Property Data
• Citations
• New to STN?

If you are new to STN, use following documents and training materials to learn STN searching.

Getting started

• Getting Started on STN (PDF) - an overview of the STN search interfaces, databases, and basic commands and features
• Basic Commands on STN Quick Reference Card (PDF) - a list of commands and when to use them
• STN Basics Training Modules - self-paced modules, including online practice problems and solutions, for learning the basics of reference searching 
• STN Basics workshop manual (PDF) - an overview of keyword searching, search strategies, and setting up current-awareness alerts
• Using CAS Databases on STN (PDF) - self-instructional booklet and practice problems for learning to search CAplus and REGISTRY

Searching with STN Express

• Getting Started with STN Express (PDF) - help with installing STN Express and creating Logon Setups for connecting to STN
• STN Express User Guide (PDF) - comprehensive information on using STN Express for conducting searches and processing results
• STN Basics with Discover! workshop manual (PDF) - an overview of using Discover! wizards in STN Express to find authors, organizations, subjects, and substance information

Choosing databases

• STN Database Summary Sheets - descriptions of all databases available on STN, including content, sources, file data, and producer
• STN Database Clusters - groups of databases that contain similar topics or share similar features

Getting help while you're searching 

• Help menu - When you are using STN Express, click the Help menu for STN Express Help files
• HELP command - When you are performing command-line searches, type HELP at an arrow prompt (=>)

Moving beyond the basics

For documentation and resources on specific topics or databases, see STN User Documentation.