dsc conference, page-9

That would be Sigma-Aldrich
http://www.sigmaaldrich.com/sigma-aldrich/home.html

They are a chemical manufacturer and supplier, particulary into universities. The way I read it, most boffins would one of their catalogues delivered each qtr and dream up ways to spend their grant money on its goodies.

Here is an example of a Dyesol product in their catalogue.
http://www.sigmaaldrich.com/catalog/ProductDetail.do?N4=703214|ALDRICH&N5=SEARCH_CONCAT_PNO|BRAND_KEY&F=SPEC

More expensive than direct from Dyesol. $1000US a gram, where we charge $1000AUD