97039-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97039-93-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,0,3 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 97039-93:
(7*9)+(6*7)+(5*0)+(4*3)+(3*9)+(2*9)+(1*3)=165
165 % 10 = 5
So 97039-93-5 is a valid CAS Registry Number.