23043-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23043-07-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,0,4 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 23043-07:
(7*2)+(6*3)+(5*0)+(4*4)+(3*3)+(2*0)+(1*7)=64
64 % 10 = 4
So 23043-07-4 is a valid CAS Registry Number.