19231-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19231-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,2,3 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19231-86:
(7*1)+(6*9)+(5*2)+(4*3)+(3*1)+(2*8)+(1*6)=108
108 % 10 = 8
So 19231-86-8 is a valid CAS Registry Number.