22283-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22283-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,8 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22283-21:
(7*2)+(6*2)+(5*2)+(4*8)+(3*3)+(2*2)+(1*1)=82
82 % 10 = 2
So 22283-21-2 is a valid CAS Registry Number.