872520-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872520-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,5,2 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 872520-47:
(8*8)+(7*7)+(6*2)+(5*5)+(4*2)+(3*0)+(2*4)+(1*7)=173
173 % 10 = 3
So 872520-47-3 is a valid CAS Registry Number.