97189-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97189-65-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,8 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97189-65:
(7*9)+(6*7)+(5*1)+(4*8)+(3*9)+(2*6)+(1*5)=186
186 % 10 = 6
So 97189-65-6 is a valid CAS Registry Number.