4153-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4153-41-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,5 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4153-41:
(6*4)+(5*1)+(4*5)+(3*3)+(2*4)+(1*1)=67
67 % 10 = 7
So 4153-41-7 is a valid CAS Registry Number.