93189-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93189-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,1,8 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 93189-70:
(7*9)+(6*3)+(5*1)+(4*8)+(3*9)+(2*7)+(1*0)=159
159 % 10 = 9
So 93189-70-9 is a valid CAS Registry Number.