4052-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4052-28-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,5 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4052-28:
(6*4)+(5*0)+(4*5)+(3*2)+(2*2)+(1*8)=62
62 % 10 = 2
So 4052-28-2 is a valid CAS Registry Number.