622841-09-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 622841-09-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,2,8,4 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 622841-09:
(8*6)+(7*2)+(6*2)+(5*8)+(4*4)+(3*1)+(2*0)+(1*9)=142
142 % 10 = 2
So 622841-09-2 is a valid CAS Registry Number.