1458-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1458-31-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,5 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1458-31:
(6*1)+(5*4)+(4*5)+(3*8)+(2*3)+(1*1)=77
77 % 10 = 7
So 1458-31-7 is a valid CAS Registry Number.