311797-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 311797-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,1,7,9 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 311797-11:
(8*3)+(7*1)+(6*1)+(5*7)+(4*9)+(3*7)+(2*1)+(1*1)=132
132 % 10 = 2
So 311797-11-2 is a valid CAS Registry Number.