25205-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25205-23-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,0 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 25205-23:
(7*2)+(6*5)+(5*2)+(4*0)+(3*5)+(2*2)+(1*3)=76
76 % 10 = 6
So 25205-23-6 is a valid CAS Registry Number.