U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula K
Molecular Weight 41.962403059
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 1

SHOW SMILES / InChI
Structure of POTASSIUM CATION K-42

SMILES

[42K+]

InChI

InChIKey=NPYPAHLBTDXSSS-AKLPVKDBSA-N
InChI=1S/K/q+1/i1+3

HIDE SMILES / InChI

Molecular Formula K
Molecular Weight 41.962403059
Charge 1
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Potassium cation K-42 is a radioactive tracer. It was used to study K exchanges across the myocardial cell wall and measuring uptake of isotope by the myocardium, to measure of potassium ion influx in Chinese hamster ovary (CHO) cells and other researches related to K-transport in vivo and in vitro.

Approval Year

PubMed

PubMed

TitleDatePubMed
Adrenaline causes potassium influx in skeletal muscle and potassium efflux in cardiac muscle in rats: the role of Na/K ATPase.
1987-01-05
Cation transport abnormalities in vivo in untreated essential hypertension.
1986-06
Potassium ion influx measurements on cultured Chinese hamster cells exposed to 60-hertz electromagnetic fields.
1985
A method for simultaneous measurements of body water compartments and potassium pool in anuric subjects.
1983-04-01
Capillary and cell wall permeability to potassium in isolated dog hearts.
1975-09
Substance Class Chemical
Created
by admin
on Mon Mar 31 21:24:40 GMT 2025
Edited
by admin
on Mon Mar 31 21:24:40 GMT 2025
Record UNII
726BAS5AW3
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
POTASSIUM CATION K-42
Preferred Name English
Code System Code Type Description
FDA UNII
726BAS5AW3
Created by admin on Mon Mar 31 21:24:40 GMT 2025 , Edited by admin on Mon Mar 31 21:24:40 GMT 2025
PRIMARY
PUBCHEM
76972648
Created by admin on Mon Mar 31 21:24:40 GMT 2025 , Edited by admin on Mon Mar 31 21:24:40 GMT 2025
PRIMARY
Related Record Type Details
IONIC MOIETY