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Impurities and reference standards

2-Acetolactate

Also known as 2-hydroxy-2-methyl-3-oxobutanoic acid, DL-Acetolactic acid, Butanoic acid, 2-hydroxy-2-methyl-3-oxo-

CAS 918-44-5Formula C5H8O4Molar mass 132.12 g/mol
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2-Acetolactate chemical structure, C5H8O4, CAS 918-44-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
918-44-5
Formula
C5H8O4
Molar mass
132.12 g/mol
HS code
291899
Category
Impurities and reference standards

What is 2-Acetolactate?

Plain description, key identifiers and synonyms

2-acetyllactic acid is a derivative of butyric acid having methyl, hydroxy and oxo substituents at the 2-, 2- and 3-positions respectively. It has a role as a mouse metabolite. It is a tertiary alpha-hydroxy ketone, a 3-oxo monocarboxylic acid and a 2-hydroxy monocarboxylic acid. It is functionally related to a butyric acid. It is a conjugate acid of a 2-acetyllactate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxy-2-methyl-3-oxobutanoic acid
CAS number
918-44-5
Molecular formula
C5H8O4
UNII
QV9C4ZW4PY
InChIKey
NMDWGEGFJUBKLB-UHFFFAOYSA-N
InChI
InChI=1S/C5H8O4/c1-3(6)5(2,9)4(7)8/h9H,1-2H3,(H,7,8)
SMILES (canonical and isomeric)
CC(=O)C(C)(C(=O)O)O

Synonyms

  • 2-hydroxy-2-methyl-3-oxobutanoic acid
  • DL-Acetolactic acid
  • Butanoic acid, 2-hydroxy-2-methyl-3-oxo-
  • 2-acetyllactic acid
  • Metaraminol Impurity 8
  • 2-Acetolactic acid, (+/-)-
  • 2-Hydroxy-2-methyl-3-oxo-butanoic acid
  • Acetoacetic acid, 2-hydroxy-2-methyl-

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
132.12 g/molcalc.
Exact mass
132.0423 Dacalc.
LogP (octanol/water)
-0.59calc.
Topological polar surface area
74.6 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.6calc.
Formal charge
0calc.
Stereocentres
1calc.
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

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.

2-Acetolactate suppliers

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2-Acetolactate price

Indicative price range per kg from live supplier offers

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Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • animal metabolite
  • eukaryotic metabolite
  • mammalian metabolite
  • metabolite
  • mouse 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 2-Acetolactate is traded under.

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

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

The HS code shown for 2-Acetolactate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Acetolactate, based on the data on this page

What is 2-Acetolactate?

2-acetyllactic acid is a derivative of butyric acid having methyl, hydroxy and oxo substituents at the 2-, 2- and 3-positions respectively. It has a role as a mouse metabolite. It is a tertiary alpha-hydroxy ketone, a 3-oxo monocarboxylic acid and a 2-hydroxy monocarboxylic acid.

What is the CAS number of 2-Acetolactate?

The CAS registry number of 2-Acetolactate is 918-44-5.

What is the molecular formula and weight of 2-Acetolactate?

The molecular formula of 2-Acetolactate is C5H8O4 and its molar mass is 132.12 g/mol.

What is 2-Acetolactate used for?

Known uses and roles of 2-Acetolactate include animal metabolite, eukaryotic metabolite, mammalian metabolite, metabolite and mouse metabolite.

Is 2-Acetolactate hazardous?

No GHS hazard classification for 2-Acetolactate 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 2-Acetolactate?

2-Acetolactate is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Acetolactate?

Post a free request on CompoundList and suppliers of 2-Acetolactate will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Acetolactate?

Suppliers quote 2-Acetolactate 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 2-Acetolactate

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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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