19020-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19020-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,0,2 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19020-70:
(7*1)+(6*9)+(5*0)+(4*2)+(3*0)+(2*7)+(1*0)=83
83 % 10 = 3
So 19020-70-3 is a valid CAS Registry Number.