103191-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103191-58-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,1,9 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103191-58:
(8*1)+(7*0)+(6*3)+(5*1)+(4*9)+(3*1)+(2*5)+(1*8)=88
88 % 10 = 8
So 103191-58-8 is a valid CAS Registry Number.