1171849-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1171849-90-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,8,4 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1171849-90:
(9*1)+(8*1)+(7*7)+(6*1)+(5*8)+(4*4)+(3*9)+(2*9)+(1*0)=173
173 % 10 = 3
So 1171849-90-3 is a valid CAS Registry Number.