454473-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 454473-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,4,4,7 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 454473-83:
(8*4)+(7*5)+(6*4)+(5*4)+(4*7)+(3*3)+(2*8)+(1*3)=167
167 % 10 = 7
So 454473-83-7 is a valid CAS Registry Number.