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130542-49-3

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130542-49-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130542-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,5,4 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 130542-49:
(8*1)+(7*3)+(6*0)+(5*5)+(4*4)+(3*2)+(2*4)+(1*9)=93
93 % 10 = 3
So 130542-49-3 is a valid CAS Registry Number.

130542-49-3Relevant articles and documents

Reaction of Diarylnitrilimines with 3-Arylidene-4-Isothiochromanones. A General Approach to the First Thiadiazaphenanthrene.

Kerbal, Abdelali,Vebrel, Joel,Roche, Maxime,Laude, Bernard

, p. 4145 - 4146 (2007/10/02)

A general synthesis of derivatives of 1,2,4-triphenyl-4,10-dihydro-10-thia-3,4-diazaphenanthrene (a new heterocyclic skeleton) in two steps from 3-arylidene-4-isothiochromanones via cycloaddition route is recorded.

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