97176-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97176-61-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,7 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97176-61:
(7*9)+(6*7)+(5*1)+(4*7)+(3*6)+(2*6)+(1*1)=169
169 % 10 = 9
So 97176-61-9 is a valid CAS Registry Number.