751-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 751-45-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,5 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 751-45:
(5*7)+(4*5)+(3*1)+(2*4)+(1*5)=71
71 % 10 = 1
So 751-45-1 is a valid CAS Registry Number.