28099-29-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28099-29-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,9 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28099-29:
(7*2)+(6*8)+(5*0)+(4*9)+(3*9)+(2*2)+(1*9)=138
138 % 10 = 8
So 28099-29-8 is a valid CAS Registry Number.