286409-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 286409-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,6,4,0 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 286409-18:
(8*2)+(7*8)+(6*6)+(5*4)+(4*0)+(3*9)+(2*1)+(1*8)=165
165 % 10 = 5
So 286409-18-5 is a valid CAS Registry Number.