BTB1

Modify Date: 2024-01-11 16:06:04

BTB1 Structure
BTB1 structure
Common Name BTB1
CAS Number 86030-08-2 Molecular Weight 297.71400
Density 1.476g/cm3 Boiling Point 471.2ºC at 760mmHg
Molecular Formula C12H8ClNO4S Melting Point 115ºC
MSDS N/A Flash Point 238.8ºC

 Use of BTB1


BTB-1 is a potent, selective and reversible mitotic motor protein Kif18A inhibitor with an IC50 of 1.69 μM.

 Names

Name 1-(benzenesulfonyl)-4-chloro-2-nitrobenzene
Synonym More Synonyms

 BTB1 Biological Activity

Description BTB-1 is a potent, selective and reversible mitotic motor protein Kif18A inhibitor with an IC50 of 1.69 μM.
Related Catalog
Target

IC50: 1.69 μM (Kif18A)[1]

In Vitro BTB-1 blocks the motility of Kif18A in a reversible manner. BTB-1 inhibits Kif18A in an adenosine triphosphate (ATP)-competitive but microtubule-uncompetitive manner and slows down the progression of cells through mitosis. 100 μM BTB-1 does not significantly inhibit any of the other tested mitotic kinesins. BTB-1 competes with ATP for Kif18A binding only when the motor-protein is associated with its pseudosubstrate microtubules. HeLa cells treated with BTB-1 accumulate in mitosis in a dose-dependent manner[1]. BTB-1 shows cell toxicity with an EC50 values of 35.8 μM. HeLa cells treated with 50 μM BTB-1 reveals severe defects in spindle morphology and chromosome alignment. Treatment with high concentrations of BTB-1 does not result in elongated spindles[2].
Kinase Assay BTB-1 is prepared in DMSO. The activity of His-Kif18Amotor at increasing concentrations of ATP is monitored in the presence of 3 μM Mts and increasing concentrations of BTB-1 (0.21 μM, 0.42 μM, 0.85 μM, 1.7 μM) or DMSO as control[1].
References

[1]. Catarinella M, et al. BTB-1: a small molecule inhibitor of the mitotic motor protein Kif18A. Angew Chem Int Ed Engl. 2009;48(48):9072-6.

[2]. Braun J, et al. Synthesis and biological evaluation of optimized inhibitors of the mitotic kinesin Kif18A. ACS Chem Biol. 2015 Feb 20;10(2):554-60.

 Chemical & Physical Properties

Density 1.476g/cm3
Boiling Point 471.2ºC at 760mmHg
Melting Point 115ºC
Molecular Formula C12H8ClNO4S
Molecular Weight 297.71400
Flash Point 238.8ºC
Exact Mass 296.98600
PSA 88.34000
LogP 4.68500
Index of Refraction 1.623
Storage condition 2-8℃

 Safety Information

Risk Phrases 36/37/38
Safety Phrases S26-S36-S37-S39

 Synthetic Route

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BTB1 Structure

BTB1

CAS#:86030-08-2

Literature: Journal of the Chemical Society, , p. 1618,1621

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BTB1 Structure

BTB1

CAS#:86030-08-2

Literature: Journal of the Chemical Society, , p. 1618,1621

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BTB1 Structure

BTB1

CAS#:86030-08-2

Literature: Journal of the Chemical Society [Section] B: Physical Organic, , p. 260 - 266

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BTB1 Structure

BTB1

CAS#:86030-08-2

Literature: Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), , p. 105 - 108

 Synonyms

4-Chloro-2-nitrodiphenylsulfone
4-Chlor-2-nitro-diphenylsulfon
4-Chloro-2-nitro-1-(phenylsulfonyl)benzene
(4-Chlor-2-nitro-phenyl)-phenyl-sulfon
4-chloro-2-nitrodiphenyl sulphone
4-chloro-2-nitrophenyl phenyl sulfone
BTB-1
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Price: $79/10mM*1mLinDMSO

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