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VAQORACHEMICALS
Enzymes, Proteins & InhibitorsBiochemistryAvailable on request

Oxalacetic acid, 98%

Synonyms: 2-Oxosuccinic acid · Ketosuccinic acid · Oxobutanedioic acid · oxaloacetic acid

CAS No.328-42-7
FormulaC4H4O5
Mol. weight132.07
Catalogue No.VQ-002679
Purity98%
HSN29171190

Oxalacetic acid (CAS 328-42-7) – enzyme / protein reagent, Biochemistry grade, 98%. C4H4O5, MW 132.07. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
1 g
5 g
100 g
1 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Oxalacetic acid, 98%

Vaqora Chemicals supplies Oxalacetic acid in Biochemistry grade, an enzyme / protein reagent registered under CAS number 328-42-7 with a typical assay of 98%. Formula C4H4O5, molecular weight 132.07 g/mol. The IUPAC name is 2-oxobutanedioic acid. Alternative names: 2-Oxosuccinic acid and Ketosuccinic acid.

The material typically appears as a white to off-white powder or crystalline powder. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

Typical applications include enzymatic assays, enzyme inhibition studies, protein research and fine chemical synthesis. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 1 g, 5 g, 100 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

  • Enzymatic assays
  • Enzyme inhibition studies
  • Protein research
  • Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product nameOxalacetic acid, 98%
Catalogue No.VQ-002679
CAS Number328-42-7
IUPAC name2-oxobutanedioic acid
Molecular formulaC4H4O5
Molecular weight132.07 g/mol
Exact mass132.0059
GradeBiochemistry
Purity / assay98%
HSN code29171190
InChIKeyKHPXUQMNIQBQEV-UHFFFAOYSA-N
SMILESC(C(=O)C(=O)O)C(=O)O
PubChem CID970
Physical properties
Physical formPowder
AppearanceWhite to off-white powder or crystalline powder
LogP (XLogP3)-0.6
H-bond donors / acceptors2 / 5
TPSA91.7 Ų
UN numberUN 3261
Synonyms2-Oxosuccinic acid, Ketosuccinic acid, Oxobutanedioic acid, oxaloacetic acid, oxaloacetate, Oxosuccinic acid, 2-Ketosuccinic acid, Butanedioic acid, oxo-, 2-oxo-butanedioic acid, keto-oxaloacetate, Acid, Oxalacetic, Acid, Oxaloacetic

Safety & hazard information (GHS)

GHS05 Corrosive
Corrosive
GHS07 Harmful / irritant
Harmful / irritant

Signal word: Danger

Hazard statements

  • H314Causes severe skin burns and eye damage
  • H319Causes serious eye irritation

Precautionary statements: P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P321, P337 + P317, P363, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Other grades of CAS 328-42-7

Frequently asked questions

What is the CAS number of Oxalacetic acid, 98%?

The CAS Registry Number of Oxalacetic acid, 98% is 328-42-7. It is also known as 2-Oxosuccinic acid, Ketosuccinic acid, Oxobutanedioic acid.

What is the molecular formula and molecular weight of Oxalacetic acid, 98%?

Oxalacetic acid, 98% has the molecular formula C4H4O5 and a molecular weight of 132.07 g/mol. Its IUPAC name is 2-oxobutanedioic acid.

Which grade and pack sizes of Oxalacetic acid, 98% can I order?

We supply Oxalacetic acid, 98% in Biochemistry (98%) grade, in 1 g, 5 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Oxalacetic acid, 98%?

Yes. Every lot of Oxalacetic acid, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Oxalacetic acid, 98% be shipped internationally?

Yes. Oxalacetic acid, 98% is classified as hazardous (UN 3261), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Oxalacetic acid, 98%

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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