54336-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54336-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,3,3 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54336-45:
(7*5)+(6*4)+(5*3)+(4*3)+(3*6)+(2*4)+(1*5)=117
117 % 10 = 7
So 54336-45-7 is a valid CAS Registry Number.