Here is the link to the certificate of analysis (CofA) for Lot BCCN6501 of this product:
https://www.sigmaaldrich.com/certificates/Graphics/COfAInfo/fluka/pdf/PDF762051.pdf
The Specific Rotation assay result reported at the bottom of page 3 of the CofA confirms the chirality. The enantiomeric excess (ee) or enantiomeric purity for this product is not determined.
09172
L-(−)-Malic acid
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Synonym(s):
(S)-(−)-2-Hydroxysuccinic acid, L-Hydroxybutanedioic acid
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100 MG
$142.00
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About This Item
Linear Formula:
HO2CCH2CH(OH)CO2H
CAS Number:
Molecular Weight:
134.09
NACRES:
NA.24
E Number:
E296
PubChem Substance ID:
UNSPSC Code:
41116107
EC Number:
202-601-5
MDL number:
Beilstein/REAXYS Number:
1723541
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Product Name
L-(−)-Malic acid, certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
InChI
1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m0/s1
SMILES string
O[C@@H](CC(O)=O)C(O)=O
InChI key
BJEPYKJPYRNKOW-REOHCLBHSA-N
grade
certified reference material
TraceCERT®
shelf life
limited shelf life, expiry date on the label
manufacturer/tradename
Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
technique(s)
gas chromatography (GC): suitable
mp
101-103 °C (lit.)
application(s)
cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
format
neat
Quality Level
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This Item | 112577 | M6413 | M7397 |
|---|---|---|---|
| application(s) cleaning products | application(s) - | application(s) - | application(s) - |
| technique(s) gas chromatography (GC): suitable | technique(s) - | technique(s) - | technique(s) cell culture | insect: suitable, cell culture | mammalian: suitable |
| format neat | format - | format - | format - |
| grade certified reference material, TraceCERT® | grade - | grade - | grade - |
| shelf life limited shelf life, expiry date on the label | shelf life - | shelf life - | shelf life - |
| manufacturer/tradename Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | manufacturer/tradename - | manufacturer/tradename - | manufacturer/tradename - |
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.
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 Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
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
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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Karen L Madsen et al.
Annals of clinical and translational neurology, 6(10), 1949-1960 (2019-09-15)
To study if treatment with triheptanoin, a 7-carbon triglyceride, improves exercise tolerance in patients with McArdle disease. McArdle patients have a complete block in glycogenolysis and glycogen-dependent expansion of tricarboxylic acid cycle (TCA), which may restrict fat oxidation. We hypothesized
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
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
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
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
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L-(−)-Malic acid: 09172: Is this chirally pure. Can you share COA, where it is mentioned its chiral info.
1 answer-
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