1392745-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1392745-31-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,2,7,4 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1392745-31:
(9*1)+(8*3)+(7*9)+(6*2)+(5*7)+(4*4)+(3*5)+(2*3)+(1*1)=181
181 % 10 = 1
So 1392745-31-1 is a valid CAS Registry Number.