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Carboxylic acids and anhydrides

Oxalacetate

Also known as 2-oxobutanedioate, Oxobutanedioate, oxaloacetate(2-)

CAS 149-63-3Formula C4H2O5-2Molar mass 130.06 g/mol
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Oxalacetate chemical structure, C4H2O5-2, CAS 149-63-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
149-63-3
Formula
C4H2O5-2
Molar mass
130.06 g/mol
HS code
291830
Category
Carboxylic acids and anhydrides

What is Oxalacetate?

Plain description, key identifiers and synonyms

Oxaloacetate(2-) is a C4-dicarboxylate resuting from deprotonation of both carboxy groups of oxaloacetic acid. It has a role as a Saccharomyces cerevisiae metabolite and a human metabolite. It is an oxo dicarboxylic acid dianion and a C4-dicarboxylate. It is functionally related to a succinate(2-). It is a conjugate base of an oxaloacetic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-oxobutanedioate
CAS number
149-63-3
Molecular formula
C4H2O5-2
InChIKey
KHPXUQMNIQBQEV-UHFFFAOYSA-L
InChI
InChI=1S/C4H4O5/c5-2(4(8)9)1-3(6)7/h1H2,(H,6,7)(H,8,9)/p-2
SMILES (canonical and isomeric)
C(C(=O)C(=O)[O-])C(=O)[O-]

Synonyms

  • 2-oxobutanedioate
  • Oxobutanedioate
  • oxaloacetate(2-)
  • oxosuccinate
  • Butanedioic acid, oxo-, ion(2-)
  • oxaloacetate dianion
  • 3p4q
  • oxobutanedioic acid, ion(2-)

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
130.06 g/molcalc.
Exact mass
129.9913 Dacalc.
LogP (octanol/water)
-3.55calc.
Topological polar surface area
97.33 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
3calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.25calc.
Formal charge
-2calc.
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

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.

Oxalacetate suppliers

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Oxalacetate 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

  • Saccharomyces cerevisiae metabolite
  • animal metabolite
  • eukaryotic metabolite
  • fungal metabolite
  • human 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 Oxalacetate is traded under.

HS 2918.30Indicative HS code

Carboxylic acids with aldehyde or ketone function but without other oxygen function…

World exports in 2024
$813M
−39.8% vs 2023, imports $1.23B
2019 to 2024
Top exporters
  1. China43.3%
  2. India * partner reported10.4%
  3. United States6.8%
Top importers
  1. Singapore33.1%
  2. Germany7.2%
  3. Japan6.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Oxalacetate, based on the data on this page

What is Oxalacetate?

Oxaloacetate(2-) is a C4-dicarboxylate resuting from deprotonation of both carboxy groups of oxaloacetic acid. It has a role as a Saccharomyces cerevisiae metabolite and a human metabolite. It is an oxo dicarboxylic acid dianion and a C4-dicarboxylate. It is functionally related to a succinate(2-).

What is the CAS number of Oxalacetate?

The CAS registry number of Oxalacetate is 149-63-3.

What is the molecular formula and weight of Oxalacetate?

The molecular formula of Oxalacetate is C4H2O5-2 and its molar mass is 130.06 g/mol.

What is Oxalacetate used for?

Known uses and roles of Oxalacetate include building blocks in research and laboratory, saccharomyces cerevisiae metabolite, animal metabolite, eukaryotic metabolite, fungal metabolite and 3 more.

Is Oxalacetate hazardous?

No GHS hazard classification for Oxalacetate 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 Oxalacetate?

Oxalacetate is usually classified under HS code 291830 (Carboxylic acids with aldehyde or ketone function but without other oxygen function…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Oxalacetate?

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What is the price of Oxalacetate?

Suppliers quote Oxalacetate 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 Oxalacetate

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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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