181145-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181145-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,1,4 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 181145-41:
(8*1)+(7*8)+(6*1)+(5*1)+(4*4)+(3*5)+(2*4)+(1*1)=115
115 % 10 = 5
So 181145-41-5 is a valid CAS Registry Number.