Search for compoundsEnter one of the identification values (CAS number, FEMA number, molecular weight, etc) to get one compound or a list of compounds that corresponds to the selection criterion.
Search within resultsAfter the name search for a compound you will get a list of names which correspond to the string. The search is done in all synonym names, but only the list of compound names is shown. Sometimes this list is quite long, so the possiblity is added to enter an additional search string. This argument searches within the displayed results, again both in the compound names as well as in the synonyms thereof. This process can be repeated endlessly.
Additional search possiblitiesWhen searching for 'alpha', 'beta', etc within names you may use the replacing strings 'alpha-', 'beta-', 'gamma-', 'delta-', 'epsilon-' or 'psi-'. Allways include the minus sign in your search string. It is also possible to use the HTLM coded values α, β, γ, δ, ε, ψ, allways followed by a minus sign. These characters have no influence when using the 'approximate search' method: they are filtered out.