503562-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503562-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,5,6 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 503562-98:
(8*5)+(7*0)+(6*3)+(5*5)+(4*6)+(3*2)+(2*9)+(1*8)=139
139 % 10 = 9
So 503562-98-9 is a valid CAS Registry Number.