281199-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 281199-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,1,1,9 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 281199-45:
(8*2)+(7*8)+(6*1)+(5*1)+(4*9)+(3*9)+(2*4)+(1*5)=159
159 % 10 = 9
So 281199-45-9 is a valid CAS Registry Number.