The term "biurate" is not commonly used to refer to a specific chemical compound or molecule. However, based on the term, it appears to be a combination of the prefix "bi-" and "urate." Urate is the anion derived from uric acid, which is a natural waste product that forms when the body breaks down purines.
The chemical formula for uric acid is C5H4N4O3. Urate, as the anion, would have a negative charge and can combine with various cations to form salts or other compounds. For example, sodium urate is a commonly known compound, which can be represented by the chemical formula NaC5H3N4O3.
If you have a specific context or compound in mind related to biurate, please provide more information, and I'll be happy to assist you further.