1261283-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1261283-91-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,2,8 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1261283-91:
(9*1)+(8*2)+(7*6)+(6*1)+(5*2)+(4*8)+(3*3)+(2*9)+(1*1)=143
143 % 10 = 3
So 1261283-91-3 is a valid CAS Registry Number.
1261283-91-3Relevant academic research and scientific papers
AN IMPROVED PROCESS FOR THE PREPARATION OF ELVITEGRAVIR
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, (2011/02/24)
The present invention relates to improved process for the preparation of elvitegravir (12), wherein the compound of formula (6) is protected with suitable protecting agents and further reacted with formula (9) in the presence of tetrakis(triphenylphosphin
