108331-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108331-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,3,3 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 108331-05:
(8*1)+(7*0)+(6*8)+(5*3)+(4*3)+(3*1)+(2*0)+(1*5)=91
91 % 10 = 1
So 108331-05-1 is a valid CAS Registry Number.