97892-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97892-80-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,8,9 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97892-80:
(7*9)+(6*7)+(5*8)+(4*9)+(3*2)+(2*8)+(1*0)=203
203 % 10 = 3
So 97892-80-3 is a valid CAS Registry Number.