1021952-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1021952-70-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,9,5 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1021952-70:
(9*1)+(8*0)+(7*2)+(6*1)+(5*9)+(4*5)+(3*2)+(2*7)+(1*0)=114
114 % 10 = 4
So 1021952-70-4 is a valid CAS Registry Number.
1021952-70-4Relevant academic research and scientific papers
A NEW PROCESS FOR THE PREPARATION OF MONTELUKAST
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Page/Page column 27, (2008/12/05)
The present invention describes a novel process for the preparation of montelukast acid, and its pharmaceutically acceptable salts and esters.
