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219638-16-1

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219638-16-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219638-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,3 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 219638-16:
(8*2)+(7*1)+(6*9)+(5*6)+(4*3)+(3*8)+(2*1)+(1*6)=151
151 % 10 = 1
So 219638-16-1 is a valid CAS Registry Number.

219638-16-1Relevant articles and documents

Selective cytotoxicity of azatyrosinamides against ras-transformed NIH 3T3 cells

Wang,Hwang,Lee, On,Tseng,Shu,Lee

, p. 4272 - 4274 (2005)

This study aims to develop novel azatyrosinamide compounds structurally modified from ras-specific antioncogenic azatyrosine. Analogues 4-15 were prepared and their inhibition on the growth of wild-type and ras-transformed NIH 3T3 cell lines was compared. Compound 12 was found to be the most active with IC50 16.5 ± 2.2 μM which is 458-fold more potent than that of azatyrosine. The selective toxicity, defined as IC 50 wild-type/IC50 ras-transformed for this compound was 138.5.

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