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M1000

Sigma-Aldrich

L-(−)-Malic acid

≥95% (titration)

Synonym(s):

(S)-(−)-2-Hydroxysuccinic acid, L-Hydroxybutanedioic acid

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About This Item

Linear Formula:
HO2CCH2CH(OH)CO2H
CAS Number:
97-67-6
Molecular Weight:
134.09
Beilstein/REAXYS Number:
1723541
EC Number:
202-601-5
MDL number:
MFCD00064213
UNSPSC Code:
12352106
PubChem Substance ID:
24896463
NACRES:
NA.22

Quality Level

300

assay

≥95% (titration)

form

powder

pKa (25 °C)

(1) 3.46, (2) 5.10

mp

101-103 °C (lit.)

solubility

water: 100 mg/mL, clear to very slightly hazy, colorless

SMILES string

O[C@@H](CC(O)=O)C(O)=O

InChI

1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m0/s1

InChI key

BJEPYKJPYRNKOW-REOHCLBHSA-N

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General description

L-Malic acid is the naturally occurring isomer of malic acid, found mainly in sour and unripe fruits.

Application

L-(-)-Malic acid may be used to prepare:
  • diethyl (S)-malate
  • ethyl (R)-2-hydroxyl-4-phenylbutanoate
  • ethyl (S)-2-hydroxyl-4-phenylbutanoate
  • D-homophenylalanine ethyl ester hydrochloride
  • furo[3,2-i]indolizines

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A stereospecific synthesis of (-)-Bestatin from L-malic acid.
Norman BH and Morris ML.
Tetrahedron Letters, 33(45), 6803-6806 (1992)
Asymmetric synthesis of furo [3, 2-i] indolizines from L-malic acid.
Lee YS, et al.
Tetrahedron, 55(15), 4631-4636 (1999)
A practical synthesis of ethyl (R)-and (S)-2-hydroxy-4-phenylbutanoate and D-homophenylalanine ethyl ester hydrochloride from L-malic acid.
Lin WQ, et al.
Tetrahedron Asymmetry, 12(11), 1583-1587 (2001)
Mc Murry JE
Organic Chemistry , Biological Approach (2016)
Elena Grossini et al.
PloS one, 10(4), e0124742-e0124742 (2015-04-17)
Levosimendan protects rat liver against peroxidative injuries through mechanisms related to nitric oxide (NO) production and mitochondrial ATP-dependent K (mitoKATP) channels opening. However, whether levosimendan could modulate the cross-talk between apoptosis and autophagy in the liver is still a matter
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