723238-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 723238-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,3,2,3 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 723238-71:
(8*7)+(7*2)+(6*3)+(5*2)+(4*3)+(3*8)+(2*7)+(1*1)=149
149 % 10 = 9
So 723238-71-9 is a valid CAS Registry Number.