1159989-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1159989-44-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,9,9,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1159989-44:
(9*1)+(8*1)+(7*5)+(6*9)+(5*9)+(4*8)+(3*9)+(2*4)+(1*4)=222
222 % 10 = 2
So 1159989-44-2 is a valid CAS Registry Number.