273731-11-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 273731-11-6 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, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 273731-11:
(8*2)+(7*7)+(6*3)+(5*7)+(4*3)+(3*1)+(2*1)+(1*1)=136
136 % 10 = 6
So 273731-11-6 is a valid CAS Registry Number.