723751-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 723751-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,3,7,5 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 723751-31:
(8*7)+(7*2)+(6*3)+(5*7)+(4*5)+(3*1)+(2*3)+(1*1)=153
153 % 10 = 3
So 723751-31-3 is a valid CAS Registry Number.