1196691-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1196691-52-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,6,6,9 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1196691-52:
(9*1)+(8*1)+(7*9)+(6*6)+(5*6)+(4*9)+(3*1)+(2*5)+(1*2)=197
197 % 10 = 7
So 1196691-52-7 is a valid CAS Registry Number.