872291-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872291-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,2,9 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 872291-25:
(8*8)+(7*7)+(6*2)+(5*2)+(4*9)+(3*1)+(2*2)+(1*5)=183
183 % 10 = 3
So 872291-25-3 is a valid CAS Registry Number.