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219771-93-4

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219771-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219771-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,7,7 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 219771-93:
(8*2)+(7*1)+(6*9)+(5*7)+(4*7)+(3*1)+(2*9)+(1*3)=164
164 % 10 = 4
So 219771-93-4 is a valid CAS Registry Number.

219771-93-4Downstream Products

219771-93-4Relevant articles and documents

Synthesis and antitumour activity of new derivatives of flavone-8- acetic acid (FAA). Part 31): 2-Heteroaryl derivatives

Aitken, R. Alan,Bibby, Michael C.,Bielefeldt, Florian,Double, John A.,Laws, Andrea L.,Mathieu, Anne-Laure,Ritchie, Robert B.,Wilson, David W. J.

, p. 405 - 411 (2007/10/03)

A range of 14 derivatives of flavone-8-acetic acid (FAA) with a heterocyclic substituent in place of the 2-phenyl group have been prepared and their anti-tumour activity evaluated in vitro against a panel of human and murine tumour cell lines and in vivo against MAC 15A. Some of the compounds, notably 2c,d and s, showed significant in vivo activity and these require further studies in order to evaluate their potential for development.

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