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Aromatic building blocks

Alpha-Hydroxyhippuric acid

Also known as 2-hydroxy-2-(phenylformamido)acetic acid, 2-benzamido-2-hydroxyacetic acid, 2-(benzoylamino)-2-hydroxyacetic acid

CAS 16555-77-4Formula C9H9NO4Molar mass 195.17 g/molEC 240-619-5
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Alpha-Hydroxyhippuric acid chemical structure, C9H9NO4, CAS 16555-77-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
16555-77-4
Formula
C9H9NO4
Molar mass
195.17 g/mol
EC number
240-619-5
HS code
292429
Category
Aromatic building blocks

What is Alpha-Hydroxyhippuric acid?

Plain description, key identifiers and synonyms

Alpha-hydroxyhippuric acid is an N-acyl-amino acid that is N-benzoylglycine substituted by a hydroxy group at C-2. It has a role as a human urinary metabolite. It is a secondary carboxamide, a N-acyl hemiaminal and a N-acyl-amino acid. It is functionally related to a N-benzoylglycine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-benzamido-2-hydroxyacetic acid
CAS number
16555-77-4 CAS number cross-checkedOther or deprecated CAS: 19791-95-8
EC number
240-619-5
Molecular formula
C9H9NO4
MDL number
MFCD00004228
InChIKey
GCWCVCCEIQXUQU-UHFFFAOYSA-N
InChI
InChI=1S/C9H9NO4/c11-7(10-8(12)9(13)14)6-4-2-1-3-5-6/h1-5,8,12H,(H,10,11)(H,13,14)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C(=O)NC(C(=O)O)O

Synonyms

  • 2-hydroxy-2-(phenylformamido)acetic acid
  • 2-benzamido-2-hydroxyacetic acid
  • 2-(benzoylamino)-2-hydroxyacetic acid
  • Acetic acid, 2-(benzoylamino)-2-hydroxy-
  • alpha-Hydroxybenzoylglycine
  • a-Hydroxyhippuric acid
  • 2-benzamido-2-hydroxy-acetic acid
  • (Benzoylamino)hydroxyacetic acid
  • alpha-Hydroxyhippuric acid, 98%
  • (-)-2-Benzamido-2-hydroxyacetic acid
  • Benzamidohydroxyacetic acid
  • 2-hydroxy-2-(phenylcarbonylamino)acetic acid
  • N-benzoyl-2-hydroxyglycine
  • hydroxyhippuric acid
  • Acetic acid, (benzoylamino)hydroxy-
  • N-benzoyl-2-hydrox
  • alpha-hydroxy-hippuric acid
  • Benzamido(hydroxy)acetic acid
  • Gcwcvcceiqxuqu-uhfffaoysa-
  • (Benzoylamino)(hydroxy)acetic acid
  • (Benzoylamino)(hydroxy)acetic acid #

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
195.17 g/molcalc.
Exact mass
195.0532 Dacalc.
LogP (octanol/water)
-0.18calc.
Topological polar surface area
86.63 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.11calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Alpha-Hydroxyhippuric acid suppliers

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Where suppliers are based

1 supplier in 0 countries

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Alpha-Hydroxyhippuric acid price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • animal metabolite
  • eukaryotic metabolite
  • human metabolite
  • human urinary metabolite
  • mammalian metabolite
  • metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Alpha-Hydroxyhippuric acid is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Alpha-Hydroxyhippuric acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Alpha-Hydroxyhippuric acid, based on the data on this page

What is Alpha-Hydroxyhippuric acid?

Alpha-hydroxyhippuric acid is an N-acyl-amino acid that is N-benzoylglycine substituted by a hydroxy group at C-2. It has a role as a human urinary metabolite. It is a secondary carboxamide, a N-acyl hemiaminal and a N-acyl-amino acid. It is functionally related to a N-benzoylglycine.

What is the CAS number of Alpha-Hydroxyhippuric acid?

The CAS registry number of Alpha-Hydroxyhippuric acid is 16555-77-4. Other or deprecated CAS numbers: 19791-95-8.

What is the molecular formula and weight of Alpha-Hydroxyhippuric acid?

The molecular formula of Alpha-Hydroxyhippuric acid is C9H9NO4 and its molar mass is 195.17 g/mol.

What is Alpha-Hydroxyhippuric acid used for?

Known uses and roles of Alpha-Hydroxyhippuric acid include building blocks in research and laboratory, screening compounds in research and laboratory, animal metabolite, eukaryotic metabolite, human metabolite and 3 more.

Is Alpha-Hydroxyhippuric acid hazardous?

No GHS hazard classification for Alpha-Hydroxyhippuric acid is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Alpha-Hydroxyhippuric acid?

Alpha-Hydroxyhippuric acid is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Alpha-Hydroxyhippuric acid?

CompoundList lists 1 supplier of Alpha-Hydroxyhippuric acid. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Alpha-Hydroxyhippuric acid?

Suppliers quote Alpha-Hydroxyhippuric acid on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Alpha-Hydroxyhippuric acid

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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