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1263576-56-2

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1263576-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1263576-56-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,3,5,7 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1263576-56:
(9*1)+(8*2)+(7*6)+(6*3)+(5*5)+(4*7)+(3*6)+(2*5)+(1*6)=172
172 % 10 = 2
So 1263576-56-2 is a valid CAS Registry Number.

1263576-56-2Relevant academic research and scientific papers

Alkynylation of heterocyclic compounds using hypervalent iodine reagent

Kamlar,Císa?ová,Vesely

, p. 2884 - 2889 (2015)

The alkynylation of various nitrogen- and/or sulphur-containing heterocyclic compounds using hypervalent iodine TMS-EBX by utilization of tertiary amines under mild conditions is described. The developed metal-free methodology furnishes the corresponding alkynylated heterocycles bearing quaternary carbon in high yields.

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