16458-38-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16458-38-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,4,5 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16458-38:
(7*1)+(6*6)+(5*4)+(4*5)+(3*8)+(2*3)+(1*8)=121
121 % 10 = 1
So 16458-38-1 is a valid CAS Registry Number.