1569631-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1569631-80-6 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, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1569631-80:
(9*1)+(8*5)+(7*6)+(6*9)+(5*6)+(4*3)+(3*1)+(2*8)+(1*0)=206
206 % 10 = 6
So 1569631-80-6 is a valid CAS Registry Number.
1569631-80-6Relevant 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.