815575-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 815575-47-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,5,5,7 and 5 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 815575-47:
(8*8)+(7*1)+(6*5)+(5*5)+(4*7)+(3*5)+(2*4)+(1*7)=184
184 % 10 = 4
So 815575-47-4 is a valid CAS Registry Number.