23045-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23045-77-4 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 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 23045-77:
(7*2)+(6*3)+(5*0)+(4*4)+(3*5)+(2*7)+(1*7)=84
84 % 10 = 4
So 23045-77-4 is a valid CAS Registry Number.