97659-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97659-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,6,5 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 97659-43:
(7*9)+(6*7)+(5*6)+(4*5)+(3*9)+(2*4)+(1*3)=193
193 % 10 = 3
So 97659-43-3 is a valid CAS Registry Number.