287734-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 287734-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,7,3 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 287734-99:
(8*2)+(7*8)+(6*7)+(5*7)+(4*3)+(3*4)+(2*9)+(1*9)=200
200 % 10 = 0
So 287734-99-0 is a valid CAS Registry Number.