709040-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 709040-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,9,0,4 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 709040-55:
(8*7)+(7*0)+(6*9)+(5*0)+(4*4)+(3*0)+(2*5)+(1*5)=141
141 % 10 = 1
So 709040-55-1 is a valid CAS Registry Number.