454679-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 454679-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,4,6,7 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 454679-81:
(8*4)+(7*5)+(6*4)+(5*6)+(4*7)+(3*9)+(2*8)+(1*1)=193
193 % 10 = 3
So 454679-81-3 is a valid CAS Registry Number.