1945-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1945-75-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,4 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1945-75:
(6*1)+(5*9)+(4*4)+(3*5)+(2*7)+(1*5)=101
101 % 10 = 1
So 1945-75-1 is a valid CAS Registry Number.