4654-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4654-09-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,5 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4654-09:
(6*4)+(5*6)+(4*5)+(3*4)+(2*0)+(1*9)=95
95 % 10 = 5
So 4654-09-5 is a valid CAS Registry Number.