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1352449-01-4

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1352449-01-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1352449-01-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,2,4,4 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1352449-01:
(9*1)+(8*3)+(7*5)+(6*2)+(5*4)+(4*4)+(3*9)+(2*0)+(1*1)=144
144 % 10 = 4
So 1352449-01-4 is a valid CAS Registry Number.

1352449-01-4Relevant articles and documents

Synthesis of benzo-fused heterocycles by intramolecular α-arylation of ketone enolate anions

Guastavino, Javier F.,Rossi, Roberto A.

, p. 460 - 472 (2012/03/11)

A two-step synthesis of six-, seven-, eight-, and nine-member benzo-fused heterocycles in good to excellent yields is reported. The synthetic strategy involves the generation of a new intramolecular α-aryl ketone bond by the photostimulated SRN1 reaction of ketone enolate anions linked to a pendant haloarene as the key step. On the other hand, an intramolecular C Ar-CAr coupling led to the formation of five- and six-member benzo-fused heterocycles (9H-carbazole and phenanthridine) when an aromatic amide anion is competitively formed.

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