223553-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223553-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,5,5 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 223553-03:
(8*2)+(7*2)+(6*3)+(5*5)+(4*5)+(3*3)+(2*0)+(1*3)=105
105 % 10 = 5
So 223553-03-5 is a valid CAS Registry Number.