28949-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28949-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,4 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28949-05:
(7*2)+(6*8)+(5*9)+(4*4)+(3*9)+(2*0)+(1*5)=155
155 % 10 = 5
So 28949-05-5 is a valid CAS Registry Number.