6262-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6262-53-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,6 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6262-53:
(6*6)+(5*2)+(4*6)+(3*2)+(2*5)+(1*3)=89
89 % 10 = 9
So 6262-53-9 is a valid CAS Registry Number.