10311-83-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10311-83-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,3,1 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 10311-83:
(7*1)+(6*0)+(5*3)+(4*1)+(3*1)+(2*8)+(1*3)=48
48 % 10 = 8
So 10311-83-8 is a valid CAS Registry Number.