723261-34-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 723261-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,3,2,6 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 723261-34:
(8*7)+(7*2)+(6*3)+(5*2)+(4*6)+(3*1)+(2*3)+(1*4)=135
135 % 10 = 5
So 723261-34-5 is a valid CAS Registry Number.