622803-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 622803-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,2,8,0 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 622803-44:
(8*6)+(7*2)+(6*2)+(5*8)+(4*0)+(3*3)+(2*4)+(1*4)=135
135 % 10 = 5
So 622803-44-5 is a valid CAS Registry Number.