28036-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28036-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,3 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28036-89:
(7*2)+(6*8)+(5*0)+(4*3)+(3*6)+(2*8)+(1*9)=117
117 % 10 = 7
So 28036-89-7 is a valid CAS Registry Number.