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100073-09-4

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100073-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100073-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,0,7 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100073-09:
(8*1)+(7*0)+(6*0)+(5*0)+(4*7)+(3*3)+(2*0)+(1*9)=54
54 % 10 = 4
So 100073-09-4 is a valid CAS Registry Number.

100073-09-4Relevant articles and documents

SYNTHESIS OF EXTENDED ACYCLIC AZATHIENES WITH AROMATIC SUBSTITUENTS. III. PHTHALIMIDO GROUP AS THE LEAVING GROUP

Zibarev, A. V.,Miller, A. O.,Shakirov, M. M.,Furin, G. G.

, p. 864 - 872 (2007/10/02)

The use of the phthalimido group as the leaving group makes it possible to obtain asymmetric 1,7-diaryl-1,3,5,7-tetraaza-2,4,6-trithia-1,2,5,6-heptatetraenes, which are not obtainable by the previously known methods.Cesium fluoride in acetonitrile increases the nucleophilicity of the nitrogen atom of the N-trimethylsilyl derivatives of acyclic azathienes and phthalimide.In acetonitrile solution a spontaneous shortening of the sulfur-nitrogen chain of 1,7-bis(trimethylsilyl)-1,3,5,7-tetraaza-2,4,6-trithia-1,2,5,6-heptatetraene takes place.

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