We have successfully synthesized tens of thousands of peptides for the scientific community and have consistently met the highest standards of quality, service, and technical expertise.

Links to freeware, discounted software, free databases, societies, spectroscopy resources, reaction mechanisms and online discussion forums.

Resources and tools for science, including an interactive periodic table of elements and calculators.

Search engine and directory. Users can rate sites and leave comments.

SciSeek is a great guide to the best the Internet has to offer in the fields of science and nature.

Quantifies and provides the physical understanding of existing concepts in chemistry.

Online directory for chemistry education in organic, analytical, bio, physical, electro, atmospheric, and several other topics.

Engineering Data: ISO and ANSI Drill Sizes, Wire Gauges, Metric and imperial conversion factors, Physical Constants, Periodic Table and many other items of handy info that we hope you will find useful

Model Science develops simulation software for science education. Including "Model ChemLab" - an interactive chemistry lab simulation for Windows and Mac OS. Free evaluation versions are available.

A collection of chemistry resources, including problems for general and organic chemistry, and NMR and crystallographic resources.

Engineering Directory for Engineering Products Manufacturer & Industrial Products Supplier Submit your Products, news, Logo, Banners, Articles FREE

Formerly "Mass Spectrometry on the Internet", an index page of mass spectrometry internet sites including links to mass spectrometry groups etc

An excellent resource about biotechnology.

A directory of chemistry resources on the WWW, located on the Sheffield chemistry server.

An index to chemical information on the Internet, with structures and physical properties, searchable by name, structure, CAS Number, and physical properties.