1392307-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1392307-42-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,2,3,0 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1392307-42:
(9*1)+(8*3)+(7*9)+(6*2)+(5*3)+(4*0)+(3*7)+(2*4)+(1*2)=154
154 % 10 = 4
So 1392307-42-4 is a valid CAS Registry Number.