287210-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 287210-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,2,1 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 287210-99:
(8*2)+(7*8)+(6*7)+(5*2)+(4*1)+(3*0)+(2*9)+(1*9)=155
155 % 10 = 5
So 287210-99-5 is a valid CAS Registry Number.