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199393-59-4

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199393-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199393-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,3,9 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 199393-59:
(8*1)+(7*9)+(6*9)+(5*3)+(4*9)+(3*3)+(2*5)+(1*9)=204
204 % 10 = 4
So 199393-59-4 is a valid CAS Registry Number.

199393-59-4Relevant articles and documents

Flavonoids as vasorelaxant agents: Synthesis, biological evaluation and quantitative structure activities relationship (QSAR) studies

Dong, Xiaowu,Wang, Yanming,Liu, Tao,Wu, Peng,Gao, Jiadi,Xu, Jianchao,Yang, Bo,Hu, Yongzhou

experimental part, p. 8257 - 8272 (2011/12/15)

A series of 2-(2-diethylamino)-ethoxychalcone and 6-prenyl(or its isomers)-flavanones 10a,b and 11a-g were synthesized and evaluated for their vasorelaxant activities against rat aorta rings pretreated with 1 μM phenylephrine (PE). Several compounds showe

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