763-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 763-53-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,6 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 763-53:
(5*7)+(4*6)+(3*3)+(2*5)+(1*3)=81
81 % 10 = 1
So 763-53-1 is a valid CAS Registry Number.