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74366-19-1

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74366-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74366-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,6 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74366-19:
(7*7)+(6*4)+(5*3)+(4*6)+(3*6)+(2*1)+(1*9)=141
141 % 10 = 1
So 74366-19-1 is a valid CAS Registry Number.

74366-19-1Relevant articles and documents

Selectivity in Ketenimine-Thioketone Cycloadditions. 1. 1,4- and 1,2-Addition Pathways and the Synthesis of 4H-3,1-Benzothiazines, 2-Iminothietanes, and Thioacrylamides

Dondoni, Alessandro,Battaglia, Arturo,Giorgianni, Patrizia

, p. 3766 - 3773 (2007/10/02)

The cycloadditions of thiobenzophenones to ketenimines take place at different sites of the cumulene depending on the extent of substitution and the nature of the substituents.C,C-Disubstituted ketenimines whose nitrogen bears an alkyl or an ortho,ortho'-

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