502841-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502841-92-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,8,4 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 502841-92:
(8*5)+(7*0)+(6*2)+(5*8)+(4*4)+(3*1)+(2*9)+(1*2)=131
131 % 10 = 1
So 502841-92-1 is a valid CAS Registry Number.