Aminohippurate Sodium

DRUG DESCRIPTION

Aminohippurate sodium is an agent to measure effective renal plasma flow (ERPF). It is the sodium salt of para-aminohippuric acid, commonly abbreviated "PAH". It is water soluble, lipid-insoluble, and has a pKa of 3.83. The empirical formula of the anhydrous salt is C9H9N2NaO3 and its structural formula is:

Aminohippurate Sodium Structural Formula Illustration

It is provided as a sterile, non-preserved 20 percent aqueous solution for injection, with a pH of 6.7 to 7.6. Each 10 mL contains: Aminohippurate sodium (aminohippurate) 2 g. Inactive ingredients: Sodium hydroxide to adjust pH, water for injection, q.s.



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