HELP: pyrroletricarboxylic acid, thiazoledicarboxylic acid

michael.micksche at michael.micksche at
Wed Mar 22 07:27:28 EST 1995


For the determination of melanins by HPLC, I need
pyrrole-2,3,5-tricarboxylic acid (PTCA) and 
thiazole-4,5-dicarboxylic acid (TDCA).

Has anybody on the net informations where I can get these
substances commercially ?

Thanks in advance for your hints !


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