128828-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128828-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,2 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128828-05:
(8*1)+(7*2)+(6*8)+(5*8)+(4*2)+(3*8)+(2*0)+(1*5)=147
147 % 10 = 7
So 128828-05-7 is a valid CAS Registry Number.