1388154-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1388154-43-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,8,1,5 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1388154-43:
(9*1)+(8*3)+(7*8)+(6*8)+(5*1)+(4*5)+(3*4)+(2*4)+(1*3)=185
185 % 10 = 5
So 1388154-43-5 is a valid CAS Registry Number.