503448-25-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503448-25-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,4,4 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 503448-25:
(8*5)+(7*0)+(6*3)+(5*4)+(4*4)+(3*8)+(2*2)+(1*5)=127
127 % 10 = 7
So 503448-25-7 is a valid CAS Registry Number.