439692-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 439692-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,6,9 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 439692-56:
(8*4)+(7*3)+(6*9)+(5*6)+(4*9)+(3*2)+(2*5)+(1*6)=195
195 % 10 = 5
So 439692-56-5 is a valid CAS Registry Number.