731811-36-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 731811-36-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,1,8,1 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 731811-36:
(8*7)+(7*3)+(6*1)+(5*8)+(4*1)+(3*1)+(2*3)+(1*6)=142
142 % 10 = 2
So 731811-36-2 is a valid CAS Registry Number.