1138218-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1138218-43-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,8,2,1 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1138218-43:
(9*1)+(8*1)+(7*3)+(6*8)+(5*2)+(4*1)+(3*8)+(2*4)+(1*3)=135
135 % 10 = 5
So 1138218-43-5 is a valid CAS Registry Number.