108393-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108393-33-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,3,9 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 108393-33:
(8*1)+(7*0)+(6*8)+(5*3)+(4*9)+(3*3)+(2*3)+(1*3)=125
125 % 10 = 5
So 108393-33-5 is a valid CAS Registry Number.