97455-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97455-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,4,5 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 97455-19:
(7*9)+(6*7)+(5*4)+(4*5)+(3*5)+(2*1)+(1*9)=171
171 % 10 = 1
So 97455-19-1 is a valid CAS Registry Number.