38142-39-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38142-39-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,1,4 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 38142-39:
(7*3)+(6*8)+(5*1)+(4*4)+(3*2)+(2*3)+(1*9)=111
111 % 10 = 1
So 38142-39-1 is a valid CAS Registry Number.