STN Easy: Basic Search
CAS Registry First
Search CAS REGISTRY First
for chemical substance and
related information! Here's why. 		STN Easy Basic Search
Quick Tips | Help | New Search | Home | Cost Since Login | Preferences | Comments | Transcript | Logoff
1. Select the category, sub-category and databases to be searched.
Categories
Chemistry & Chemicals
Intellectual Property (Patents)
Agriculture & Food
Business
Energy & Environment
General
Health & Medicine
Pharmaceuticals & Pharmacology
Regulatory
Technology & Engineering



Sub-Categories
Patents 
Patents, Citations 
Patents, Fulltext
Patents, International 
Patents, National 



Databases
EUROPATFULL database
IFIPAT database
USPATFULL database
Make these selections my default.
2. Enter your search question, or author, or both.
Search: Enter keywords (in English) or CAS Registry Numbers. Go to Advanced Search for company names, chemical names, patent equivalents, or other types of information.
all words any words as a phrase
Author:
Last name (required):
First name or initial:
Middle name or initial:
= Use initials when searching
3.

[$2.00 per search]
Quick Tips | Help | New Search | Home | Cost Since Login | Preferences | Comments | Transcript | Logoff
STN International is operated in cooperation with CAS in North America, FIZ Karlsruhe in Europe, and Japan Science and Technology Corporation, Information Center for Science and Technology (JICST).