97437-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97437-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,4,3 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 97437-99:
(7*9)+(6*7)+(5*4)+(4*3)+(3*7)+(2*9)+(1*9)=185
185 % 10 = 5
So 97437-99-5 is a valid CAS Registry Number.