434939-09-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 434939-09-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,4,9,3 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 434939-09:
(8*4)+(7*3)+(6*4)+(5*9)+(4*3)+(3*9)+(2*0)+(1*9)=170
170 % 10 = 0
So 434939-09-0 is a valid CAS Registry Number.