76458-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76458-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,4,5 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 76458-54:
(7*7)+(6*6)+(5*4)+(4*5)+(3*8)+(2*5)+(1*4)=163
163 % 10 = 3
So 76458-54-3 is a valid CAS Registry Number.