51915-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51915-22-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,1 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51915-22:
(7*5)+(6*1)+(5*9)+(4*1)+(3*5)+(2*2)+(1*2)=111
111 % 10 = 1
So 51915-22-1 is a valid CAS Registry Number.