1023480-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023480-28-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,4,8 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1023480-28:
(9*1)+(8*0)+(7*2)+(6*3)+(5*4)+(4*8)+(3*0)+(2*2)+(1*8)=105
105 % 10 = 5
So 1023480-28-5 is a valid CAS Registry Number.