1393456-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1393456-39-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,4,5 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1393456-39:
(9*1)+(8*3)+(7*9)+(6*3)+(5*4)+(4*5)+(3*6)+(2*3)+(1*9)=187
187 % 10 = 7
So 1393456-39-7 is a valid CAS Registry Number.