56754-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56754-73-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,7,5 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 56754-73:
(7*5)+(6*6)+(5*7)+(4*5)+(3*4)+(2*7)+(1*3)=155
155 % 10 = 5
So 56754-73-5 is a valid CAS Registry Number.