108839-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108839-30-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,8,3 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 108839-30:
(8*1)+(7*0)+(6*8)+(5*8)+(4*3)+(3*9)+(2*3)+(1*0)=141
141 % 10 = 1
So 108839-30-1 is a valid CAS Registry Number.