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108045-92-7

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108045-92-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108045-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,0,4 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 108045-92:
(8*1)+(7*0)+(6*8)+(5*0)+(4*4)+(3*5)+(2*9)+(1*2)=107
107 % 10 = 7
So 108045-92-7 is a valid CAS Registry Number.

108045-92-7Relevant articles and documents

Synthese d'azido dithienyl-1,2 ethenes et ethanes

Farnier, Michel,Brost, Michele,Hanquet, Bernard,Guilard, Roger

, p. 517 - 521 (2007/10/02)

Two convenient preparations of azido-1,2-dithienylethenes are described.The synthesis of azido-1,2-dithienylethanes proceeds via metalation (n-BuLi) and subsequent treatment by tosylazide of bromo-1,2-dithienylethanes.The structures of the obtained derivatives were established on the basis of 1H nmr, ir, and mass spectral data.

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