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Cat. No. M8421
BC-1258 Structure
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Biological Activity

BC-1258 is a potent activator of unique E3 ligase F-box/LRR-repeat protein 2 (FBXL2) that increases levels of FBXLs protein, thus promoting Aurora B degradation. BC-1258 induces mitotic arrest and apoptosis of tumorigenic cells. Also BC-1258 inhibits tumor formation in athymic nude mice.

Chemical Information
Molecular Weight 406.57
Formula C22H22N4S2
CAS Number 1507370-40-2
Solubility (25°C) DMSO: 10 mg/mL (warmed)
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.


[1] B B Chen, et al. Skp-cullin-F box E3 ligase component FBXL2 ubiquitinates Aurora B to inhibit tumorigenesis

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Keywords: BC-1258 supplier, inhibitors, activators

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