273211-51-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 273211-51-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,2,1 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 273211-51:
(8*2)+(7*7)+(6*3)+(5*2)+(4*1)+(3*1)+(2*5)+(1*1)=111
111 % 10 = 1
So 273211-51-1 is a valid CAS Registry Number.