Cas 85831-02-3,2H-<1>Benzopyrano<4,3-b>pyridin-2,5(1H)-dion

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Check Digit Verification of cas no

The CAS Registry Mumber 85831-02-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,8,3 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 85831-02:
(7*8)+(6*5)+(5*8)+(4*3)+(3*1)+(2*0)+(1*2)=143
143 % 10 = 3
So 85831-02-3 is a valid CAS Registry Number.

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85831-02-3Relevant academic research and scientific papers

Chemistry of phosphorus ylides: Part 41 synthesis of antimicrobial agents from the reaction of aminoantipyrine, coumarin- And quinoline-carbaldehyde with phosphacumulene and phosphaallene ylides

Maigali, Soher Said,Abd-El-Maksoud, Mansoura Ali,El-Hussieny, Marwa,Soliman, Fouad Mohamed,Abdel-Aziz, Mohamed Soliman,Shalaby, El-Sayed Mohamed

, p. 754 - 761 (2014)

Pyrrolo-pyrazoles were obtained from the reaction between phosphacumulenes and aminoantipyrine, while the reaction with the phosphaallene (hexaphenylcarbodiphosphorane ylide) afforded the azaphosphole and pyrazolo-phosphanylidene. The aminocoumarin carbal

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