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220966-77-8

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220966-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220966-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,9,6 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220966-77:
(8*2)+(7*2)+(6*0)+(5*9)+(4*6)+(3*6)+(2*7)+(1*7)=138
138 % 10 = 8
So 220966-77-8 is a valid CAS Registry Number.

220966-77-8Downstream Products

220966-77-8Relevant articles and documents

2,2-dioxo-1H-thieno[3,4-c][1,2]thiazines. Synthesis and some reactions of a new heterocycle

Fanghaenel, Egon,Bartossek, Hagen,Baumeister, Ute,Biedermann, Matthias,Hartung, Helmut

, p. 1449 - 1454 (2007/10/03)

The first synthesis of substituted 2,2-dioxo-1-phenyl-1H-thieno[3,4- c][1,2]thiazines 2 and some of their reactions are achieved. Compounds 2 were prepared from the 3,5-dimethyl-1,1-dioxo-1,2-thiazine-4-carbaldehydes 1 by reaction with sulfur and triethyl

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