4427-86-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4427-86-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,2 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4427-86:
(6*4)+(5*4)+(4*2)+(3*7)+(2*8)+(1*6)=95
95 % 10 = 5
So 4427-86-5 is a valid CAS Registry Number.