1197237-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1197237-16-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,2,3 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1197237-16:
(9*1)+(8*1)+(7*9)+(6*7)+(5*2)+(4*3)+(3*7)+(2*1)+(1*6)=173
173 % 10 = 3
So 1197237-16-3 is a valid CAS Registry Number.