53782-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53782-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,8 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 53782-53:
(7*5)+(6*3)+(5*7)+(4*8)+(3*2)+(2*5)+(1*3)=139
139 % 10 = 9
So 53782-53-9 is a valid CAS Registry Number.