273384-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 273384-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,3,8 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 273384-45:
(8*2)+(7*7)+(6*3)+(5*3)+(4*8)+(3*4)+(2*4)+(1*5)=155
155 % 10 = 5
So 273384-45-5 is a valid CAS Registry Number.