99925-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99925-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,2 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99925-68:
(7*9)+(6*9)+(5*9)+(4*2)+(3*5)+(2*6)+(1*8)=205
205 % 10 = 5
So 99925-68-5 is a valid CAS Registry Number.