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Amines and amides

Acetohydroxamic acid

Also known as N-Hydroxyacetamide, Acetylhydroxamic acid, Lithostat

CAS 546-88-3Formula C2H5NO2Molar mass 75.07 g/molEC 208-913-8
GHS signal word: Danger. Pictograms: Serious health hazard 87 suppliers listed Drug substance
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Acetohydroxamic acid chemical structure, C2H5NO2, CAS 546-88-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
546-88-3
Formula
C2H5NO2
Molar mass
75.07 g/mol
Melting point
89 to 92
HS code
292800
Category
Amines and amides

What is Acetohydroxamic acid?

Plain description, key identifiers and synonyms

Acetohydroxamic acid is a member of the class of acetohydroxamic acids that is acetamide in which one of the amino hydrogens has been replaced by a hydroxy group. It has a role as an EC 3.5.1.5 (urease) inhibitor and an algal metabolite. It is functionally related to an acetamide. It is a tautomer of a N-hydroxyacetimidic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-hydroxyacetamide
CAS number
546-88-3 CAS number cross-checked
EC number
208-913-8
Molecular formula
C2H5NO2
UNII
4RZ82L2GY5
MDL number
MFCD00009994
InChIKey
RRUDCFGSUDOHDG-UHFFFAOYSA-N
InChI
InChI=1S/C2H5NO2/c1-2(4)3-5/h5H,1H3,(H,3,4)
SMILES (canonical and isomeric)
CC(=O)NO

Synonyms

  • N-Hydroxyacetamide
  • Acetylhydroxamic acid
  • Lithostat
  • Acetic acid, oxime
  • Methylhydroxamic acid
  • Acetohydroximic acid
  • N-Acetylhydroxylamine
  • Acethydroxamsaeure
  • cetohyroxamic acid
  • N-Acetyl hydroxyacetamide
  • Acido acetohidroxamico
  • Acide acetohydroxamique
  • Acidum acetohydroxamicum
  • n-hydroxy-acetamide
  • 2-Hydroxyamino-2-ethanal
  • Acetamide, N-hydroxy-
  • Acethydroxamsaure
  • Acetohydroxamate
  • Acethydroxamic acid
  • AHA
  • Acetohydroxamicacid
  • Hydroxylamine, N-acetyl-
  • Lithostat (TN)
  • Acetamide, N-hydroxy- (9CI)
  • Acetohydroxamic acid (USP/INN)
Show all 30 synonyms
  • Acetyl hydroxyamino
  • ethanehydroxamic acid
  • Acetohydroxamic acid (USAN:USP:INN)
  • N-hydroxyacetimidic acid
  • N-hydroxyethanimidic 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

Melting point
89 to 92exp.

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
75.07 g/molcalc.
Exact mass
75.032 Dacalc.
LogP (octanol/water)
-0.49calc.
Topological polar surface area
49.33 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H360May damage fertility or the unborn child.
Precautionary statements (5)
  • P203Obtain, read and follow all safety instructions before use.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Acetohydroxamic acid suppliers

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All 87 suppliers
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Where suppliers are based

87 suppliers in 16 countries

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Acetohydroxamic acid price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Enzyme Inhibitors

Roles

  • algal metabolite
  • antiinfective agent
  • enzyme inhibitor
  • eukaryotic metabolite
  • metabolite
  • pharmaceutical

Pharmacology

Acetohydroxamic acid is an Urease Inhibitor. The mechanism of action of acetohydroxamic acid is as an Urease Inhibitor.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Acetohydroxamic acid is traded under.

HS 2928.00Indicative HS code

Organic derivatives of hydrazine or of hydroxylamine

World exports in 2024
$1.38B
−9.0% vs 2023, imports $1.52B
2019 to 2024
Top exporters
  1. Switzerland * partner reported44.0%
  2. China18.4%
  3. Italy9.4%
Top importers
  1. Brazil21.8%
  2. United States12.8%
  3. Italy10.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Acetohydroxamic acid, based on the data on this page

What is Acetohydroxamic acid?

Acetohydroxamic acid is a member of the class of acetohydroxamic acids that is acetamide in which one of the amino hydrogens has been replaced by a hydroxy group. It has a role as an EC 3.5.1.5 (urease) inhibitor and an algal metabolite. It is functionally related to an acetamide.

What is the CAS number of Acetohydroxamic acid?

The CAS registry number of Acetohydroxamic acid is 546-88-3.

What is the molecular formula and weight of Acetohydroxamic acid?

The molecular formula of Acetohydroxamic acid is C2H5NO2 and its molar mass is 75.07 g/mol.

What is Acetohydroxamic acid used for?

Known uses and roles of Acetohydroxamic acid include biochemical and pharmacological tools in research and laboratory, algal metabolite, antiinfective agent, enzyme inhibitor, eukaryotic metabolite and 3 more.

Is Acetohydroxamic acid hazardous?

Acetohydroxamic acid carries the GHS signal word "Danger". Main hazards: may damage fertility or the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Acetohydroxamic acid?

Acetohydroxamic acid is usually classified under HS code 292800 (Organic derivatives of hydrazine or of hydroxylamine). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Acetohydroxamic acid?

CompoundList lists 87 suppliers of Acetohydroxamic acid in China, United States, United Kingdom, India and 12 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Acetohydroxamic acid in India?

3 suppliers in India list Acetohydroxamic acid on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Acetohydroxamic acid?

Suppliers quote Acetohydroxamic 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 Acetohydroxamic 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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