1181451-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1181451-44-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,1,4,5 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1181451-44:
(9*1)+(8*1)+(7*8)+(6*1)+(5*4)+(4*5)+(3*1)+(2*4)+(1*4)=134
134 % 10 = 4
So 1181451-44-4 is a valid CAS Registry Number.