845739-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 845739-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,5,7,3 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 845739-55:
(8*8)+(7*4)+(6*5)+(5*7)+(4*3)+(3*9)+(2*5)+(1*5)=211
211 % 10 = 1
So 845739-55-1 is a valid CAS Registry Number.