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M6413

L-(−)-Malic acid

Name: <SC>L</SC>-(−)-Malic acid
Brand: SIGMA

BioXtra, ≥95%

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

UNSPSC Code:

12352106

NACRES:

NA.25

PubChem Substance ID:

24897010

EC Number:

202-601-5

Beilstein/REAXYS Number:

1723541

MDL number:

MFCD00064213

Assay:

≥95%

Form:

powder

Grade:

BioPerformance Certified

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Properties

grade

BioPerformance Certified

Quality Level

200

product line

BioXtra

assay

≥95%

form

powder

impurities

≤0.01% Phosphorus (P), ≤0.1% Insoluble matter

ash

<0.1%

mp

101-103 °C (lit.)

solubility

H₂O: 0.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤0.05%, sulfate (SO₄^2-): ≤0.05%

cation traces

Al: ≤0.0005%, Ca: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.005%, Mg: ≤0.0005%, NH₄⁺: ≤0.05%, Na: ≤0.005%, Pb: ≤0.001%, Zn: ≤0.0005%

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

Description

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pictograms

GHS07

signalword

Warning

hcodes

H315,H319

pcodes

P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Cigarette smoke extract increases mitochondrial membrane permeability through activation of adenine nucleotide translocator (ANT) in lung epithelial cells.

Kaiyue Wu et al.

Biochemical and biophysical research communications, 525(3), 733-739 (2020-03-08)

Cigarette smoke is one of major risk factors in the pathogenesis of chronic obstructive pulmonary disease (COPD). It is generally believed that cigarette smoke induces mitochondrial damage in the alveolar epithelial cells to contribute to COPD. However, the exact molecular

Antimicrobial activity of sulfur dioxide to certain lactic acid bacteria isolated from wines.

T J Fang et al.

Zhonghua Minguo wei sheng wu ji mian yi xue za zhi = Chinese journal of microbiology and immunology, 26(3), 116-131 (1993-08-01)

This study was conducted to investigate the relationship between pH and the toxicity of sulfur dioxide against homo- and hetero-lactic acid bacteria isolated from American acidic wines. Malolactic fermentation was found to be growth-associated in homo- and hetero-lactic strains. The

Cloning and sequence analysis of the gene encoding Lactococcus lactis malolactic enzyme: relationships with malic enzymes.

M Denayrolles et al.

FEMS microbiology letters, 116(1), 79-86 (1994-02-01)

Malolactic enzyme is the key enzyme in the degradation of L-malic acid by lactic acid bacteria. Using degenerated primers designed from the first 20 N-terminal amino acid sequence of lactococcal malolactic enzyme, a 60-bp DNA fragment containing part of the

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Global Trade Item Number

SKU	GTIN
M6413-25G	04061838184252
M6413-100G	04061834060925