54965-39-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54965-39-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,6 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54965-39:
(7*5)+(6*4)+(5*9)+(4*6)+(3*5)+(2*3)+(1*9)=158
158 % 10 = 8
So 54965-39-8 is a valid CAS Registry Number.