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890409-69-5

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890409-69-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 890409-69-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,4,0 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 890409-69:
(8*8)+(7*9)+(6*0)+(5*4)+(4*0)+(3*9)+(2*6)+(1*9)=195
195 % 10 = 5
So 890409-69-5 is a valid CAS Registry Number.

890409-69-5Downstream Products

890409-69-5Relevant articles and documents

Synthesis of 3-cyanoflavones and their biological evaluation

Lassagne, Frederic,Bombarda, Isabelle,Dherbomez, Michel,Sinbandhit, Sourisak,Gaydou, Emil M.

, p. 787 - 799 (2007/10/03)

The synthesis, using β-bromo-α-ethylthiocinnamonitrile (1) and methyl salicylate (2), of two new series of methyl 2-(2′-cyano-2′-ethylthio-1′-phenylvinyloxy)benzoates (3), precursors of 3-cyanoflavones (4) is reported. Compounds (3) and (4) were checked a

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