53865-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53865-07-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,6 and 5 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 53865-07:
(7*5)+(6*3)+(5*8)+(4*6)+(3*5)+(2*0)+(1*7)=139
139 % 10 = 9
So 53865-07-9 is a valid CAS Registry Number.