Useful Links
 

Organic Chemistry Info
from University of Wisconsin-Madison
Professor Emeritus Hans Reich's organic chemistry resources pertaining to chemical reactions, chemical data, NMR spectroscopy, organometallic topics, nomenclature, organic compounds, and techniques.


University subject profile: chemical engineering
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PubChem
PubChem is an open chemistry database at the National Institutes of Health (NIH).


Organic Chemistry Portal
Name Reactions
Organic Synthesis Search
Protecting Groups
Total Syntheses
The Organic Chemistry Portal offers an overview of recent topics, interesting reactions, and information on important chemicals for organic chemists.


Organic Syntheses
A Publication of Reliable Methods for the Preparation of Organic Compounds.


SDBS
Spectral Database for Organic Compounds
from National Institute of Advanced Industrial Science and Technology


European MassBank
High Resolution Mass Spectral Database.


Espacenet
Free access to over 100 million patent documents.


Google Patents
Search and read the full text of patents from around the world with Google Patents


Pressure-Temperature Nomograph
from sigma-aldrich


Unit Converters
from sigma-aldrich


Sigma-Aldrich


Merck


USPTO
US Patent Full Text and Image Database


Pressure at altitude
Estimates air pressure at a given height.


Azeotrope database for organic solvent mixtures
On this page you can check that a mixture of selected organic solvents is zeotropic or azeotropic at atmospheric pressure.


Vapor-Liquid Equilibrium Data
The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition


Spectral Database
Fast text access to hundreds of thousands of free NMR, IR, Raman, UV-Vis, and mass spectra.


Patentscope
Simple Search
Advanced Search
Using PATENTSCOPE you can search 72 million patent documents including 3.5 million published international patent applications.