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190004-70-7

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190004-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190004-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,0,0 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 190004-70:
(8*1)+(7*9)+(6*0)+(5*0)+(4*0)+(3*4)+(2*7)+(1*0)=97
97 % 10 = 7
So 190004-70-7 is a valid CAS Registry Number.

190004-70-7Relevant articles and documents

Synthesis and evaluation of cytotoxic effects of hanultarin and its derivatives

Lee, Eunyoung,Jamal Ahamed,Kumar, Mahto Sanjeev,Rhee, Seog Woo,Moon, Surk-Sik,Hong, In Seok

, p. 6245 - 6248 (2011/12/02)

One of the known cytotoxic lignans is (-)-1-O-feruloyl-secoisolariciresinol designated as hanultarin, which was isolated from the seeds of Trichosanthes kirilowii. In this Letter, we described the first synthesis of 1-O-feruloyl-secoisolariciresinol, 1,4-O-diferuloyl-secoisolariceresinol and their analogues. The cytotoxicities of these compounds were evaluated against several cancer cell lines. Interestingly, we found that the feruloyl diester derivative of secoisolariciresinol was the most active cytotoxic compound against all the cancer cells tested in this experiment. The IC50 values of the1,4-O-diferuloyl-secoisolariceresinol were in the range of 7.1-9.8 lM except one cell line. In considering that both ferulic acid and secoisolariciresinol are commonly found in many plants and have no cytotoxicity, this finding is remarkable in that simple covalent bonds between the ferulic acid and secoisolariciresinol cause a cytotoxic effect.

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