287173-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 287173-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,1,7 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 287173-99:
(8*2)+(7*8)+(6*7)+(5*1)+(4*7)+(3*3)+(2*9)+(1*9)=183
183 % 10 = 3
So 287173-99-3 is a valid CAS Registry Number.