1569631-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1569631-79-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,9,6,3 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1569631-79:
(9*1)+(8*5)+(7*6)+(6*9)+(5*6)+(4*3)+(3*1)+(2*7)+(1*9)=213
213 % 10 = 3
So 1569631-79-3 is a valid CAS Registry Number.
1569631-79-3Relevant articles and documents
A PROCESS FOR THE SYNTHESIS OF OLOPATADINE
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, (2014/10/03)
The present invention provides a process for the synthesis of olopatadine. Further, the invention discloses a process that results in improved yield of the desired Z isomer.