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196214-70-7

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196214-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 196214-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,2,1 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 196214-70:
(8*1)+(7*9)+(6*6)+(5*2)+(4*1)+(3*4)+(2*7)+(1*0)=147
147 % 10 = 7
So 196214-70-7 is a valid CAS Registry Number.

196214-70-7Relevant articles and documents

Optically active 1,3,4,4-tetrasubstituted β-lactams: Synthesis and evaluation as tumor cell growth inhibitors

Pérez-Faginas, Paula,Aranda, M. Teresa,García-López, M. Teresa,Francesch, Andrés,Cuevas, Carmen,González-Mu?iz, Rosario

, p. 5108 - 5119 (2011/12/02)

The in vitro cytotoxicity assays of several enantiopure (3S,4S)- and (3R,4R)-1,3,4,4-tetrasubstituted β-lactams derived from amino acids have shown that the (3S,4S)-4-benzyl-1-p-methoxybenzyl-3-methyl-4-methoxycarbonyl derivative 2a, obtained from Phe, displays significant activity, which is comparable to that of the anticancer drug Doxorubicin against HT29 cell lines. Modifications at positions 1 and 4 of the β-lactam ring led to identify the Tyr(2,6-ClBz) analogu 26d with similar activity data to those of 2a. The synthesis and SAR of all these tetrasubstituted β-lactams are reported here.

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