1111644-44-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1111644-44-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,1,6,4 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1111644-44:
(9*1)+(8*1)+(7*1)+(6*1)+(5*6)+(4*4)+(3*4)+(2*4)+(1*4)=100
100 % 10 = 0
So 1111644-44-0 is a valid CAS Registry Number.