52221-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52221-38-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,2,2 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 52221-38:
(7*5)+(6*2)+(5*2)+(4*2)+(3*1)+(2*3)+(1*8)=82
82 % 10 = 2
So 52221-38-2 is a valid CAS Registry Number.