28313-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28313-62-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,1 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28313-62:
(7*2)+(6*8)+(5*3)+(4*1)+(3*3)+(2*6)+(1*2)=104
104 % 10 = 4
So 28313-62-4 is a valid CAS Registry Number.