202522-25-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202522-25-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,5,2 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 202522-25:
(8*2)+(7*0)+(6*2)+(5*5)+(4*2)+(3*2)+(2*2)+(1*5)=76
76 % 10 = 6
So 202522-25-6 is a valid CAS Registry Number.