502507-58-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502507-58-6 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, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 502507-58:
(8*5)+(7*0)+(6*2)+(5*5)+(4*0)+(3*7)+(2*5)+(1*8)=116
116 % 10 = 6
So 502507-58-6 is a valid CAS Registry Number.