1129559-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1129559-81-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,9,5,5 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1129559-81:
(9*1)+(8*1)+(7*2)+(6*9)+(5*5)+(4*5)+(3*9)+(2*8)+(1*1)=174
174 % 10 = 4
So 1129559-81-4 is a valid CAS Registry Number.