273223-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 273223-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,2,2 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 273223-54:
(8*2)+(7*7)+(6*3)+(5*2)+(4*2)+(3*3)+(2*5)+(1*4)=124
124 % 10 = 4
So 273223-54-4 is a valid CAS Registry Number.