25808-35-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25808-35-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,0 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25808-35:
(7*2)+(6*5)+(5*8)+(4*0)+(3*8)+(2*3)+(1*5)=119
119 % 10 = 9
So 25808-35-9 is a valid CAS Registry Number.