1131376-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1131376-31-2 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 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1131376-31:
(9*1)+(8*1)+(7*3)+(6*1)+(5*3)+(4*7)+(3*6)+(2*3)+(1*1)=112
112 % 10 = 2
So 1131376-31-2 is a valid CAS Registry Number.