871823-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871823-25-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,8,2 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 871823-25:
(8*8)+(7*7)+(6*1)+(5*8)+(4*2)+(3*3)+(2*2)+(1*5)=185
185 % 10 = 5
So 871823-25-5 is a valid CAS Registry Number.