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1189781-16-5

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1189781-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1189781-16-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,7,8 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1189781-16:
(9*1)+(8*1)+(7*8)+(6*9)+(5*7)+(4*8)+(3*1)+(2*1)+(1*6)=205
205 % 10 = 5
So 1189781-16-5 is a valid CAS Registry Number.

1189781-16-5Downstream Products

1189781-16-5Relevant academic research and scientific papers

'Click' chemistry on sugar-derived alkynes: A tandem 'click-click' approach to bistriazoles

Kaliappan, Krishna P.,Kalanidhi, Palanichamy,Mahapatra, Subham

, p. 2162 - 2166 (2009)

Development of a tandem 'click-click' approach to the formation of successive 1,4-disubstituted 1,2,3-triazole linkages and 'click chemistry' on sugar-derived alkynes are described. Georg Thieme Verlag Stuttgart.

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