311331-96-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 311331-96-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,1,3,3 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 311331-96:
(8*3)+(7*1)+(6*1)+(5*3)+(4*3)+(3*1)+(2*9)+(1*6)=91
91 % 10 = 1
So 311331-96-1 is a valid CAS Registry Number.