4132-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4132-40-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,3 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4132-40:
(6*4)+(5*1)+(4*3)+(3*2)+(2*4)+(1*0)=55
55 % 10 = 5
So 4132-40-5 is a valid CAS Registry Number.