74646-24-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74646-24-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,4 and 6 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74646-24:
(7*7)+(6*4)+(5*6)+(4*4)+(3*6)+(2*2)+(1*4)=145
145 % 10 = 5
So 74646-24-5 is a valid CAS Registry Number.