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K4144

Sigma-Aldrich

KB-R7943

≥98% (HPLC), powder

Synonym(s):

2-[4-[(4-nitrophenyl)methoxy]phenyl]ethyl ester, methanesulfonate (1:1), Carbamimidothioic acid

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About This Item

Empirical Formula (Hill Notation):
C16H17N3O3S·CH3SO3H
CAS Number:
182004-64-4
Molecular Weight:
427.50
MDL number:
MFCD00952138
UNSPSC Code:
12352200
PubChem Substance ID:
329817144
NACRES:
NA.77

Quality Level

100

Assay

≥98% (HPLC)

form

powder

color

off-white to tan

solubility

DMSO: >10 mg/mL

storage temp.

2-8°C

SMILES string

CS(O)(=O)=O.NC(=N)SCCc1ccc(OCc2ccc(cc2)[N+]([O-])=O)cc1

InChI

1S/C16H17N3O3S.CH4O3S/c17-16(18)23-10-9-12-3-7-15(8-4-12)22-11-13-1-5-14(6-2-13)19(20)21;1-5(2,3)4/h1-8H,9-11H2,(H3,17,18);1H3,(H,2,3,4)

InChI key

WGIKEBHIKKWJLG-UHFFFAOYSA-N

Biochem/physiol Actions

KB-R7943 inhibits the reversed Na(+)/Ca(2+) exchanger, NCX. In cardiomyocytes, Ca2+ is released from intracellular stores during contraction, and sequestered again during relaxation. NCX is the primary mechanism that prevents Ca2+ overload due to influx of calcium across the plasma membrane.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

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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