79189-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79189-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,1,8 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 79189-90:
(7*7)+(6*9)+(5*1)+(4*8)+(3*9)+(2*9)+(1*0)=185
185 % 10 = 5
So 79189-90-5 is a valid CAS Registry Number.