54645-92-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54645-92-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,4 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 54645-92:
(7*5)+(6*4)+(5*6)+(4*4)+(3*5)+(2*9)+(1*2)=140
140 % 10 = 0
So 54645-92-0 is a valid CAS Registry Number.