provided by
provided by FIZ Karlsruhe

New on STN

February 2012

Access More Than 32,000 Harmonized Tariff Codes Now in CHEMLIST on STN

February 2012

INPADOC Databases Enhanced with Japanese Patent Classifications and Current U.S. Classification

January 2012

Online Access to Very Large Chemical Structure Images Enhanced on STN

Meet us at

PIUG Biotechnology Meeting,
Boston, Feb 07

IPI-Conf-Ex, Barcelona, March 11-14

Getting Started with STN

ANALYZE and TABULATE for statistical analysis (06/2008) 
 
Archive and redistribute results with the STN Information Keep & Share Program (06/2008) 
 
Basic STN commands (06/2008) 
 
CA section thesaurus (06/2008) 
 
CAS REGISTRY BLAST similarity searching via STN on the Web (05/2003) 
 
CAS REGISTRY: BLAST® similarity searching via STN Express® (11/08) 
 
CAS REGISTRY: Exact and pattern searching of nucleic acid sequences (11/08) 
 
CAS REGISTRY: Exact and pattern searching of protein sequences (11/08) 
 
CAS REGISTRY: Finding CAS Registry Numbers (06/2008) 
 
CAS REGISTRY: Stereoisomer searching (07/2008) 
 
CAS roles in CA/CAplus (06/2008) 
 
CASLINK for one-step structure searching in CAS REGISTRY, MARPAT, and CAplus (06/2008) 
 
Citation searching in SciSearch (06/2008) 
 
Cited patent searching (06/2008) 
 
Current-awareness alerts (SDIs) in a single database (06/2008) 
 
Current-awareness alerts (SDIs) in multiple databases (06/2008) 
 
Current-awareness alerts (SMARTracker) in CAS REGISTRY and CAplus (06/2008) 
 
DUPLICATE for identifying or removing duplicate records (06/2008) 
 
FSEARCH for finding patent families (06/2008) 
 
FSORT for grouping patent records into families (06/2008) 
 
INDEX for evaluating databases and searches (07/2008) 
 
INSPEC: Quick Reference Guide (10/2010) 
 
Patent search fields (06/2008) 
 
Polymer Information on STN (03/04) 
 
STN Database Summary Sheets 
STN Interface Comparison Sheet (08/2002) 
STN Units System (CAS) 
STN-Dialog Command Comparison Charts (11/1997) 
 
STNews (European Edition) 
STNews (US Edition) 
STNewsline - the official STN newsletter and monthly e-mail update 
STNotes - information on new and enhanced system features 
Thesauri on STN (06/2008) 
 
TRANSFER for crossfile searching (06/2008)