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Isocucurbitacin B

Cat. No. M11122
Isocucurbitacin B  Structure
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5mg USD 380  USD380 In stock
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Quality Control & Documentation
Biological Activity

Isocucurbitacin B is a toxic compound isolated from Helicteres rswa L. (Sterculiaceae). Has antitumor activity.

Chemical Information
Molecular Weight 558.7
Formula C32H46O8
CAS Number 17278-28-3
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.

References

[1] Gangjun Zhao, et al. Front Plant Sci. Metabolome and Transcriptome Analyses of Cucurbitacin Biosynthesis in Luffa ( Luffa acutangula)

[2] Selvaraj Alagu Lakshmi, et al. J Biomol Struct Dyn. Ethnomedicines of Indian origin for combating COVID-19 infection by hampering the viral replication: using structure-based drug discovery approach

[3] Yun Tang, et al. J Ethnopharmacol. Bioassay-guided isolation and identification of cytotoxic compounds from Bolbostemma paniculatum

[4] M Arisawa, et al. J Pharm Sci. Plant anticancer agents. XXX: Cucurbitacins from Ipomopsis aggregata (Polemoniaceae)

[5] M F Bean, et al. J Nat Prod. Cucurbitacin B and isocucurbitacin B: cytotoxic components of Helicteres isora

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