53922-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53922-99-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,9,2 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 53922-99:
(7*5)+(6*3)+(5*9)+(4*2)+(3*2)+(2*9)+(1*9)=139
139 % 10 = 9
So 53922-99-9 is a valid CAS Registry Number.