503816-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503816-68-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,8,1 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 503816-68:
(8*5)+(7*0)+(6*3)+(5*8)+(4*1)+(3*6)+(2*6)+(1*8)=140
140 % 10 = 0
So 503816-68-0 is a valid CAS Registry Number.