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Merck
CN

43975

乙基丙二酸

analytical standard

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线性分子式:
C2H5CH(COOH)2
化学文摘社编号:
分子量:
132.11
EC Number:
210-007-2
UNSPSC Code:
41116107
MDL number:
Beilstein/REAXYS Number:
774334
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InChI key

UKFXDFUAPNAMPJ-UHFFFAOYSA-N

InChI

1S/C5H8O4/c1-2-3(4(6)7)5(8)9/h3H,2H2,1H3,(H,6,7)(H,8,9)

SMILES string

CCC(C(O)=O)C(O)=O

grade

analytical standard

assay

≥98.0% (GC)

shelf life

limited shelf life, expiry date on the label

mp

112-114 °C (lit.)

application(s)

clinical testing

format

neat

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General description

Ethylmalonic acid (EMA) is a branched fatty acid. It is a urinary organic acid, used as an important biochemical indicator of abnormal metabolism created by various diseases.

Application

Ethylmalonic acid may be used as an analytical reference standard for the quantification of the analyte in the following:
  • Human biological fluids using liquid chromatography coupled to mass spectrometry (LC-MS).
  • Urine samples of uterine myoma and uterine cervical cancer patients using gas chromatography and gas chromatography–mass spectrometry.

It may be used as an analytical standard to investigate its role in the inhibition of succinate and malate transport through the mitochondrial membranes in rats.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

wgk

WGK 3

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

存储类别

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Liquid chromatographic?mass spectrometric method for simultaneous determination of small organic acids potentially contributing to acidosis in severe malaria
Sriboonvorkul N, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 941, 116-122 (2013)
Gas chromatographic profiling and pattern recognition analysis of urinary organic acids from uterine myoma patients and cervical cancer patients
Kim R-K, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 712(1-2), 11-22 (1998)
Alexandre Umpierrez Amaral et al.
Molecular genetics and metabolism, 105(1), 84-90 (2011-12-03)
Tissue accumulation and high urinary excretion of ethylmalonic acid (EMA) occur in ethylmalonic encephalopathy (EE) and short chain acyl-CoA dehydrogenase deficiency (SCADD). Although these autosomal recessive disorders are clinically characterized by neurological abnormalities, the mechanisms underlying the brain damage are

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