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Merck
CN

E4378

Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid

≥97.0%

Synonym(s):

EGTA, Egtazic acid, Ethylene-bis(oxyethylenenitrilo)tetraacetic acid, Glycol ether diamine tetraacetic acid

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About This Item

Linear Formula:
[-CH2OCH2CH2N(CH2CO2H)2]2
CAS Number:
67-42-5
Molecular Weight:
380.35
UNSPSC Code:
12352106
NACRES:
NA.77
PubChem Substance ID:
24278421
EC Number:
200-651-2
Beilstein/REAXYS Number:
1717370
MDL number:
MFCD00004291

Key Documents

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biological source

synthetic (organic)

Quality Level

400

assay

≥97.0%

form

powder

reaction suitability

reagent type: chelator

loss

≤1.0% loss on drying

mp

241 °C (dec.) (lit.)

solubility

1 M NaOH: 1.1 g/10 mL, clear, colorless

storage temp.

room temp

SMILES string

OC(=O)CN(CCOCCOCCN(CC(O)=O)CC(O)=O)CC(O)=O

InChI

1S/C14H24N2O10/c17-11(18)7-15(8-12(19)20)1-3-25-5-6-26-4-2-16(9-13(21)22)10-14(23)24/h1-10H2,(H,17,18)(H,19,20)(H,21,22)(H,23,24)

InChI key

DEFVIWRASFVYLL-UHFFFAOYSA-N

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General description

solubility in water increases with pH

Application

A chelating agent useful for the determination of calcium in the presence of magnesium.
Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid has been used as a component of:
  • ice-cold cardioplegia solution for transverse aortic constriction in rats
  • ice-cold lysis buffer for protein extraction and whole extract cells
  • buffer A, B and, C for the extraction of mitochondria from HEK293F cells

Biochem/physiol Actions

Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid A is a chelating agent used for the determination of calcium in the presence of magnesium.

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

Storage Class

11 - Combustible Solids

wgk

WGK 2

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000539455
0000539453
0000535225
0000532394
0000531500

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Walter Marcotti et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(16), 5505-5514 (2014-04-18)
Tip links between adjacent stereocilia are believed to gate mechano-electrical transducer (MET) channels and mediate the electrical responses of sensory hair cells. We found that mouse auditory hair cells that lack tip links due to genetic mutations or exposure to
David R Whitfield et al.
The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry, 23(2), 141-148 (2014-06-24)
Depression is a common symptom in dementia with Lewy bodies (DLB), Parkinson disease dementia (PDD), and Alzheimer disease (AD), yet its molecular basis remains unclear and current antidepressants do not appear to be effective. Cerebral zinc has been implicated in
Anita C Bellail et al.
Nature communications, 5, 4234-4234 (2014-06-24)
Ubiquitination governs oscillation of cyclin-dependent kinase (CDK) activity through a periodic degradation of cyclins for orderly cell cycle progression; however, the mechanism that maintains the constant CDK protein levels throughout the cell cycle remains unclear. Here we show that CDK6
Olof Idevall-Hagren et al.
The EMBO journal, 34(17), 2291-2305 (2015-07-24)
The extended synaptotagmins (E-Syts) are ER proteins that act as Ca(2+)-regulated tethers between the ER and the plasma membrane (PM) and have a putative role in lipid transport between the two membranes. Ca(2+) regulation of their tethering function, as well
Jennifer R Brum et al.
Science (New York, N.Y.), 348(6237), 1261498-1261498 (2015-05-23)
Viruses influence ecosystems by modulating microbial population size, diversity, metabolic outputs, and gene flow. Here, we use quantitative double-stranded DNA (dsDNA) viral-fraction metagenomes (viromes) and whole viral community morphological data sets from 43 Tara Oceans expedition samples to assess viral
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Global Trade Item Number

SKUGTIN
E4378-250G04061833603697
E4378-1KG04061833603680
E4378-10G04061835544462
E4378-100G04061833603673
E4378-25G04061833603703
E4378-500G04061835544479

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