503025-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503025-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,0,2 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 503025-74:
(8*5)+(7*0)+(6*3)+(5*0)+(4*2)+(3*5)+(2*7)+(1*4)=99
99 % 10 = 9
So 503025-74-9 is a valid CAS Registry Number.