Database of small molecule information ? - (Sep/18/2004 )

I'm trying to find consistent data for the common neurotransmitters, mainly optimum pH but also binding properties, Dipole moment as well.

Is there an online database of small molecule information ?

This is for a review in chemical distribution within neuronal assemblies .

This page has a collection of links to online small molecule databases

http://cactus.nci.nih.gov/ncidb2/chem_www.html

Thanks. i'll take a look at that..