09172

Supelco

L-(−)-Malic acid

certified reference material, TraceCERT®

Synonym(s):
L-Hydroxybutanedioic acid, (S)-(−)-2-Hydroxysuccinic acid
Linear Formula:
HO2CCH2CH(OH)CO2H
CAS Number:
Molecular Weight:
134.09
Beilstein/REAXYS Number:
1723541
EC Number:
MDL number:
PubChem Substance ID:
E Number:
E296
NACRES:
NA.24

Quality Level

grade

certified reference material
TraceCERT®

shelf life

limited shelf life, expiry date on the label

application(s)

gas chromatography (GC): suitable

mp

101-103 °C (lit.)

Featured Industry

Cleaning Products
Cosmetics
Flavors and Fragrances
Food and Beverages
Personal Care

format

neat

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

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Legal Information

TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Certificate of Analysis
Certificate of Origin
D F Splittstoesser et al.
Journal of food protection, 59(3), 226-229 (1996-03-01)
The objective was to determine the effect of cider composition on the heat resistance of Escherichia coli O157:H7. The average D52 value in a model Empire apple juice was 18 min with a z value of 4.8 degrees C. Increasing...
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...
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...
C Zupke et al.
Applied microbiology and biotechnology, 44(1-2), 27-36 (1995-12-01)
Quantitative estimates of intracellular fluxes and measurements of intracellular concentrations were used to evaluate the effect of dissolved oxygen (DO) concentration on CRL 1606 hybridoma cells in batch culture. The estimates of intracellular fluxes were generated by combining material balances...
G Hoffmann et al.
Clinical chemistry, 35(4), 587-595 (1989-04-01)
This new method for qualitative and quantitative determination of organic acids, aldehydes, and ketones in biological samples is effective for use with urine, plasma, and amniotic fluid, and it requires no deproteinization. Isolation by batch-wise liquid partition chromatography on silicic...

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