Results:

• SPRESIweb - InfoChem GmbH - The new SpresiWeb developed by InfoChem is an integrated scientific database containing over 4.5 million molecules, 3.5 million reactions, 380,000 references, 98,000 patents covering years 1974-1999.
  

• Chemical Abstracts Service (CAS) - Provides pathways to published research in the world's journal and patent literature through tools such as SciFinder, SciFinder Scholar and STN. CAS databases provide access to over 25 million documents, 26 million chemical substances, and 56 million sequences.
  

• Agency for Toxic Substances and Disease Registry - Searchable database for publications and resources about the effect of hazardous substances on public health and the environment.
  

• SPECS and BioSPECS B.V. - Provider of chemical compound library's for HTS in vials or plates.
  

• MDLI Information Systems - Provider of chemical structural databases and information management software to the chemical, agrochemical, and pharmaceutical industry.
  

• The ChemExper Chemicals Directory - A catalog of 60000 fine chemicals searchable for free using a chemist-friendly search engine. Products are listed with physical data including IR spectra and MSDS. Contributions to the database possible with dedicated (and free) program.
  

• WebElements - [Very comprehensive, includes very detailed write ups, basic nuclide data, extensive graphics] Professional scientists and students at school will all find something useful. Includes thousands of images relating to periodicity and structure.
  

• ChemicalElements.com: Online Periodic Table - [Basic data, limited write-ups] Provides information on the 109 named elements plus elements 110-112.
  

• Institute of Physical Chemistry - A research and educational unit within the Bulgarian Academy of Sciences.
  

• American Association of Blood Banks - An international association of blood banks that supports high standards of medical, technical and administrative performance, scientific investigation, clinical application and education.
  

• Association of Clinical Biochemists (UK) - Organization dedicated to promoting the advancement of clinical biochemistry in the United Kingdom and the Republic of Ireland.
  

• American Society of Clinical Pathologists - ASCP, membership, Board of Registry, programs, publications and general information.
  

• Clinical Ligand Assay Society - The Clinical Ligand Assay Society mission is to establish and promote high standards in the science and application of ligand assay technology.
  

• The Chemical Heritage Foundation - A non-profit foundation dedicated to preserving and making known the history of the chemical sciences.
  

• ChemJobs.Net - Positions for chemists in the chemical industry and academia. Also carries vacancies in positions allied to chemistry, e.g from the biochemical and the pharmaceutical sectors.