1083299-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1083299-81-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,3,2,9 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1083299-81:
(9*1)+(8*0)+(7*8)+(6*3)+(5*2)+(4*9)+(3*9)+(2*8)+(1*1)=173
173 % 10 = 3
So 1083299-81-3 is a valid CAS Registry Number.