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1404380-69-3

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1404380-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1404380-69-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,4,3,8 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1404380-69:
(9*1)+(8*4)+(7*0)+(6*4)+(5*3)+(4*8)+(3*0)+(2*6)+(1*9)=133
133 % 10 = 3
So 1404380-69-3 is a valid CAS Registry Number.

1404380-69-3Downstream Products

1404380-69-3Relevant articles and documents

Corey-Chaykovsky Cyclopropanation of Nitronaphthalenes: Access to Benzonorcaradienes and Related Systems

Antoniak, Damian,Barbasiewicz, Micha?

, p. 9320 - 9325 (2019)

Nitronaphthalene derivatives react as Michael acceptors in the Corey-Chaykovsky reaction with alkyl phenyl selenones and alkyl diphenyl sulfonium salts. Mechanistic studies reveal that sterically demanding substituents at the carbanionic center favor formation of cyclopropanes and suppress competitive β-elimination to the alkylated products. The transformation, demonstrated also on heterocyclic nitroquinoline and nitroindazolines, is an example of transition metal-free dearomatization method.

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