97515-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97515-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,5,1 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 97515-84:
(7*9)+(6*7)+(5*5)+(4*1)+(3*5)+(2*8)+(1*4)=169
169 % 10 = 9
So 97515-84-9 is a valid CAS Registry Number.