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1209413-32-0

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1209413-32-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1209413-32-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,4,1 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1209413-32:
(9*1)+(8*2)+(7*0)+(6*9)+(5*4)+(4*1)+(3*3)+(2*3)+(1*2)=120
120 % 10 = 0
So 1209413-32-0 is a valid CAS Registry Number.

1209413-32-0Relevant articles and documents

Tuneable access to indole, indolone, and cinnoline derivatives from a common 1,4-diketone Michael acceptor

Abdelli, Abderrahmen,Efrit, Mohamed Lotfi,El-Marrouki, Dalel,Gros, Philippe C.,M’Rabet, Hédi,Touchet, Sabrina

, p. 1722 - 1731 (2020)

A convergent strategy is reported for the construction of nitrogen-containing heterocycles from common substrates: 1,4-diketones and primary amines. Indeed, by just varying the substrates, the substituents, or the heating mode, it is possible to selectively synthesize indole, indolone (1,5,6,7-tetrahydroindol-4-one), or cinnoline (5,6,7,8-tetrahydrocinnoline) derivatives in moderate to excellent yields.

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