70019-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70019-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,0,1 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70019-89:
(7*7)+(6*0)+(5*0)+(4*1)+(3*9)+(2*8)+(1*9)=105
105 % 10 = 5
So 70019-89-5 is a valid CAS Registry Number.