Thiobarbituric acid is an organic compound and a heterocycle.

It is used as a reagent in assaying malondialdehyde (the TBARS assay of lipid peroxidation).

[1] It is also used in Kodak Fogging Developer FD-70, part of the Kodak Direct Positive Film Developing Outfit for making black and white slides (positives).

[2] This article about a heterocyclic compound is a stub.

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