28841-13-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28841-13-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,4 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28841-13:
(7*2)+(6*8)+(5*8)+(4*4)+(3*1)+(2*1)+(1*3)=126
126 % 10 = 6
So 28841-13-6 is a valid CAS Registry Number.