Cas 1227296-12-9,C15H11ClN4O2

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Check Digit Verification of cas no

The CAS Registry Mumber 1227296-12-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,2,9 and 6 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1227296-12:
(9*1)+(8*2)+(7*2)+(6*7)+(5*2)+(4*9)+(3*6)+(2*1)+(1*2)=149
149 % 10 = 9
So 1227296-12-9 is a valid CAS Registry Number.

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1227296-12-9Relevant academic research and scientific papers

Photochemical synthesis of nucleoside analogues from cyclobutanones: Bicyclic and isonucleosides

Jaffer, Mileina,Ebead, Abdelaziz,Lee-Ruff, Edward

experimental part, p. 3816 - 3828 (2010/10/03)

The preparation of two nucleoside analogues are reported. Both syntheses involve a key photochemical ring-expansion of cyclobutanones to an oxacarbene and its subsequent scavenging by 6-chloropurine. The synthesis of a bicyclic (locked) purine starts from

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