1185165-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1185165-54-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,5,1,6 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1185165-54:
(9*1)+(8*1)+(7*8)+(6*5)+(5*1)+(4*6)+(3*5)+(2*5)+(1*4)=161
161 % 10 = 1
So 1185165-54-1 is a valid CAS Registry Number.