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E4378

Sigma-Aldrich

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:
Molecular Weight:
380.35
Beilstein:
1717370
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.77

biological source

synthetic (organic)

Quality Level

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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Application

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

A chelating agent useful for the determination of calcium in the presence of magnesium.

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.

Physical properties

solubility in water increases with pH

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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
Yukari Yamane-Sando et al.
MicrobiologyOpen, 3(2), 196-212 (2014-02-11)
Sphingolipids are a family of eukaryotic lipids biosynthesized from sphingoid long-chain bases (LCBs). Sphingolipids are an essential class of lipids, as their depletion results in cell death. However, acute LCB supplementation is also toxic; thus, proper cellular LCB levels should

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