L-(−)-Malic acid disodium salt - ≥95% , CAS No.138-09-0

CAS: 138-09-0 Cat. No.: L332299 Molecular Weight: 178.05 EC Number: 205-313-8
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
disodium (-)-malate | sodium (S)-2-hydroxysuccinate | Butanedioic acid, hydroxy-, disodium salt, (S)- | Disodium L-malate | l-Malic acid, sodium salt | Q27163168 | (-)-sodium malate | EN300-7698131 | Sodium L-malate | Sodium malate, (-)- | WPUMTJGUQUYPIV-
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
L332299-5g
3
$100.90
25g
L332299-25g
4
$185.90
100g
L332299-100g
2
$555.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

L-(?)-Malic acid disodium salt is a dicarboxylic acid used to differentiate microorganisms based on their varying metabolic properties. It is a source of CO2 in the Calvin cycle and an intermediate of the citric acid cycle.

Specifications

Synonyms
disodium (-)-malate | sodium (S)-2-hydroxysuccinate | Butanedioic acid, hydroxy-, disodium salt, (S)- | Disodium L-malate | l-Malic acid, sodium salt | Q27163168 | (-)-sodium malate | EN300-7698131 | Sodium L-malate | Sodium malate, (-)- | WPUMTJGUQUYPIV-
Specifications & Purity
≥95%
Storage
Room temperature
Shipped In
Normal
Purity
≥95%
Product Properties
Ki DataCarbonic anhydrase: Ki= 87.7 μM (Candida albicans ); CA II: Ki= 1.87 mM (human)
Names and Identifiers
Pubchem Sid488195671
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488195671
Canonical SmilesC(C(C(=O)[O-])O)C(=O)[O-].[Na+].[Na+]
IUPAC Namedisodium;(2S)-2-hydroxybutanedioate
InChIKeyWPUMTJGUQUYPIV-JIZZDEOASA-L
INCHI1S/C4H6O5.2Na/c5-2(4(8)9)1-3(6)7;;/h2,5H,1H2,(H,6,7)(H,8,9);;/q;2*+1/p-2/t2-;;/m0../s1
Isomeric SMILES C([C@@H](C(=O)[O-])O)C(=O)[O-].[Na+].[Na+]
WGK Germany 3
RTECS ON7350000
Molecular Weight 178.05
Reaxy-Rn 5658574
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=5658574&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassHydroxy acids and derivatives
SubclassBeta hydroxy acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBeta hydroxy acids and derivatives
Alternative Parents Short-chain hydroxy acids and derivatives  Fatty acids and conjugates  Dicarboxylic acids and derivatives  Secondary alcohols  Carboxylic acid salts  Carboxylic acids  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Beta-hydroxy acid - Short-chain hydroxy acid - Dicarboxylic acid or derivatives - Fatty acid - Carboxylic acid salt - Secondary alcohol - Carboxylic acid derivative - Carboxylic acid - Organic alkali metal salt - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Alcohol - Carbonyl group - Organic oxygen compound - Organic sodium salt - Organic salt - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as beta hydroxy acids and derivatives. These are compounds containing a carboxylic acid substituted with a hydroxyl group on the C3 carbon atom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Carbonic anhydrase (69 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
D2623744Certificate of AnalysisMay 08, 2026 L332299
H2223451Certificate of AnalysisJun 09, 2025 L332299
H2223452Certificate of AnalysisJun 09, 2025 L332299
H2223518Certificate of AnalysisJun 09, 2025 L332299
Chemical and Physical Properties
Refractive Indexn20D~1.53 (Predicted)
Molecular Weight178.050 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count1
Exact Mass177.985 Da
Monoisotopic Mass177.985 Da
Topological Polar Surface Area100.000 Ų
Heavy Atom Count11
Formal Charge0
Complexity118.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Solution Calculators
Reviews

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