1131372-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1131372-16-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,1,3,7 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1131372-16:
(9*1)+(8*1)+(7*3)+(6*1)+(5*3)+(4*7)+(3*2)+(2*1)+(1*6)=101
101 % 10 = 1
So 1131372-16-1 is a valid CAS Registry Number.