Chromanol 293B

Modify Date: 2024-01-02 18:03:22

Chromanol 293B Structure
Chromanol 293B structure
Common Name Chromanol 293B
CAS Number 163163-23-3 Molecular Weight 324.39500
Density 1.33g/cm3 Boiling Point 474.1ºC at 760mmHg
Molecular Formula C15H20N2O4S Melting Point N/A
MSDS Chinese USA Flash Point N/A
Symbol GHS07
GHS07
Signal Word Warning

 Use of Chromanol 293B


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].

 Names

Name N-[(3R,4S)-6-cyano-3-hydroxy-2,2-dimethyl-3,4-dihydrochromen-4-yl]-N-methylethanesulfonamide
Synonym More Synonyms

 Chromanol 293B Biological Activity

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
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. 

 Chemical & Physical Properties

Density 1.33g/cm3
Boiling Point 474.1ºC at 760mmHg
Molecular Formula C15H20N2O4S
Molecular Weight 324.39500
Exact Mass 324.11400
PSA 99.01000
LogP 2.49358
Vapour Pressure 8.52E-10mmHg at 25°C
Index of Refraction 1.592
Storage condition 20°C

 Safety Information

Symbol GHS07
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

 Articles31

More Articles
Genetic Inhibition Of The Ubiquitin Ligase Rnf5 Attenuates Phenotypes Associated To F508del Cystic Fibrosis Mutation.

Sci. Rep. 5 , 12138, (2015)

Cystic fibrosis (CF) is caused by mutations in the CFTR chloride channel. Deletion of phenylalanine 508 (F508del), the most frequent CF mutation, impairs CFTR trafficking and gating. F508del-CFTR mist...

Drosophila KCNQ channel displays evolutionarily conserved electrophysiology and pharmacology with mammalian KCNQ channels.

PLoS ONE 6(9) , e23898, (2011)

Of the five human KCNQ (Kv7) channels, KCNQ1 with auxiliary subunit KCNE1 mediates the native cardiac I(Ks) current with mutations causing short and long QT cardiac arrhythmias. KCNQ4 mutations cause ...

Effects of KCNQ channel modulators on the M-type potassium current in primate retinal pigment epithelium.

Am. J. Physiol. Cell Physiol. 302(5) , C821-33, (2012)

Recently, we demonstrated the expression of KCNQ1, KCNQ4, and KCNQ5 transcripts in monkey retinal pigment epithelium (RPE) and showed that the M-type current in RPE cells is blocked by the specific KC...

 Synonyms

MFCD06798368
Chromanol 293B
293B Cpd
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