4918-32-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4918-32-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,1 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4918-32:
(6*4)+(5*9)+(4*1)+(3*8)+(2*3)+(1*2)=105
105 % 10 = 5
So 4918-32-5 is a valid CAS Registry Number.