883997-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 883997-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,3,9,9 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 883997-25:
(8*8)+(7*8)+(6*3)+(5*9)+(4*9)+(3*7)+(2*2)+(1*5)=249
249 % 10 = 9
So 883997-25-9 is a valid CAS Registry Number.