220652-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220652-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,6,5 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 220652-49:
(8*2)+(7*2)+(6*0)+(5*6)+(4*5)+(3*2)+(2*4)+(1*9)=103
103 % 10 = 3
So 220652-49-3 is a valid CAS Registry Number.