723758-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 723758-90-5 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 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 723758-90:
(8*7)+(7*2)+(6*3)+(5*7)+(4*5)+(3*8)+(2*9)+(1*0)=185
185 % 10 = 5
So 723758-90-5 is a valid CAS Registry Number.