78872-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78872-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,7 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78872-53:
(7*7)+(6*8)+(5*8)+(4*7)+(3*2)+(2*5)+(1*3)=184
184 % 10 = 4
So 78872-53-4 is a valid CAS Registry Number.