163163-23-3

163163-23-3 structure

Name: Chromanol 293B
Chemical Name: N-[(3R,4S)-6-cyano-3-hydroxy-2,2-dimethyl-3,4-dihydrochromen-4-yl]-N-methylethanesulfonamide
CAS Number: 163163-23-3
Molecular Formula: C₁₅H₂₀N₂O₄S
Molecular Weight: 324.39500
Catalog: Signaling Pathways Membrane Transporter/Ion Channel CFTR
Create Date: 2016-05-28 17:35:26
Modify Date: 2025-08-25 12:39:36
Chromanol 293B is a selective blocker of the slow delayed rectifier K+ current (IKs) with IC50 of 1-10 μM and a weak inhibitor of KATP channel. Chromanol 293B also blocks the CFTR chloride current with an IC50 of 19 μM[1].

Name	N-[(3R,4S)-6-cyano-3-hydroxy-2,2-dimethyl-3,4-dihydrochromen-4-yl]-N-methylethanesulfonamide
Synonyms	MFCD06798368 Chromanol 293B 293B Cpd

Description	Chromanol 293B is a selective blocker of the slow delayed rectifier K+ current (IKs) with IC50 of 1-10 μM and a weak inhibitor of KATP channel. Chromanol 293B also blocks the CFTR chloride current with an IC50 of 19 μM[1].
Related Catalog	Signaling Pathways >> Membrane Transporter/Ion Channel >> CFTR Research Areas >> Cardiovascular Disease Signaling Pathways >> Membrane Transporter/Ion Channel >> Potassium Channel
References	[1]. Bachmann A, Quast U, Russ U. Chromanol 293B, a blocker of the slow delayed rectifier K+ current (IKs), inhibits the CFTR Cl- current. Naunyn Schmiedebergs Arch Pharmacol. 2001 Jun;363(6):590-6.

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H312-H332
Precautionary Statements	P280
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn: Harmful;
Risk Phrases	R20/21/22
Safety Phrases	S36/37
RIDADR	NONH for all modes of transport