52221-95-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52221-95-1 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, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52221-95:
(7*5)+(6*2)+(5*2)+(4*2)+(3*1)+(2*9)+(1*5)=91
91 % 10 = 1
So 52221-95-1 is a valid CAS Registry Number.