273731-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 273731-76-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,7,3 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 273731-76:
(8*2)+(7*7)+(6*3)+(5*7)+(4*3)+(3*1)+(2*7)+(1*6)=153
153 % 10 = 3
So 273731-76-3 is a valid CAS Registry Number.