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Substance Name: Aminohippuric acid [USP]
RN: 61-78-9
UNII: Y79XT83BJ9
InChIKey: HSMNQINEKMPTIC-UHFFFAOYSA-N

Note

  • The glycine amide of 4-aminobenzoic acid. Its sodium salt is used as a diagnostic aid to measure effective renal plasma flow (ERPF) and excretory capacity.

Molecular Formula

  • C9-H10-N2-O3

Molecular Weight

  • 194.189
 

Classification Codes

  • Component of Aminohippurate Sodium (Injection)
  • Indicators and Reagents
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Names and Synonyms

Name of Substance

  • Aminohippuric acid [USP]
  • p-Aminohippuric acid

MeSH Heading

  • p-Aminohippuric acid

Synonyms

  • 4-Aminohippuric acid
  • AI3-52275
  • Aminohippuric acid
  • EINECS 200-518-9
  • Glycine, N-(4-aminobenzoyl)-
  • Hippuric acid, p-amino-
  • HSDB 2139
  • N-(4-Aminobenzoyl)glycine
  • N-(p-Aminobenzoyl)aminoacetic acid
  • N-(p-Aminobenzoyl)glycine
  • N-(para-aminobenzoyl)glycine
  • Nefrotest
  • NSC 13064
  • p-Aminohippuric acid
  • PAH
  • PAH (amino acid)
  • Paha
  • para-Aminohippuric acid
  • UNII-Y79XT83BJ9

Systematic Names

  • 4-Aminohippuric acid
  • Glycine, N-(4-aminobenzoyl)-
  • Hippuric acid, p-amino- (8CI)

Registry Numbers

CAS Registry Number

  • 61-78-9

FDA UNII

  • Y79XT83BJ9

System Generated Number

  • 0000061789

Structure Descriptors

InChI

1S/C9H10N2O3/c10-7-3-1-6(2-4-7)9(14)11-5-8(12)13/h1-4H,5,10H2,(H,11,14)(H,12,13)

InChIKey

HSMNQINEKMPTIC-UHFFFAOYSA-N

Smiles

c1cc(ccc1C(=O)NCC(=O)O)N

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 198.5 deg C   EXP
pKa Dissociation Constant 3.8 (none)   EXP
log P (octanol-water) -0.89 (none)   EXP
Water Solubility 1.32E+04 mg/L 25 EST
Vapor Pressure 3.51E-08 mm Hg 25 EST
Henry's Law Constant 2.55E-16 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.07E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.