931423-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 931423-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,1,4,2 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 931423-83:
(8*9)+(7*3)+(6*1)+(5*4)+(4*2)+(3*3)+(2*8)+(1*3)=155
155 % 10 = 5
So 931423-83-5 is a valid CAS Registry Number.