287393-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 287393-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,3,9 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 287393-09:
(8*2)+(7*8)+(6*7)+(5*3)+(4*9)+(3*3)+(2*0)+(1*9)=183
183 % 10 = 3
So 287393-09-3 is a valid CAS Registry Number.