502507-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502507-11-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,5,0 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 502507-11:
(8*5)+(7*0)+(6*2)+(5*5)+(4*0)+(3*7)+(2*1)+(1*1)=101
101 % 10 = 1
So 502507-11-1 is a valid CAS Registry Number.