1185300-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1185300-81-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,5,3,0 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1185300-81:
(9*1)+(8*1)+(7*8)+(6*5)+(5*3)+(4*0)+(3*0)+(2*8)+(1*1)=135
135 % 10 = 5
So 1185300-81-5 is a valid CAS Registry Number.