9002-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 9002-25-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 9002-25:
(6*9)+(5*0)+(4*0)+(3*2)+(2*2)+(1*5)=69
69 % 10 = 9
So 9002-25-9 is a valid CAS Registry Number.