1611489-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1611489-44-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,1,4,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1611489-44:
(9*1)+(8*6)+(7*1)+(6*1)+(5*4)+(4*8)+(3*9)+(2*4)+(1*4)=161
161 % 10 = 1
So 1611489-44-1 is a valid CAS Registry Number.