19190-56-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19190-56-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,9 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19190-56:
(7*1)+(6*9)+(5*1)+(4*9)+(3*0)+(2*5)+(1*6)=118
118 % 10 = 8
So 19190-56-8 is a valid CAS Registry Number.