52158-47-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52158-47-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,5 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52158-47:
(7*5)+(6*2)+(5*1)+(4*5)+(3*8)+(2*4)+(1*7)=111
111 % 10 = 1
So 52158-47-1 is a valid CAS Registry Number.