78673-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78673-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,7 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78673-53:
(7*7)+(6*8)+(5*6)+(4*7)+(3*3)+(2*5)+(1*3)=177
177 % 10 = 7
So 78673-53-7 is a valid CAS Registry Number.