74397-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74397-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,9 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 74397-48:
(7*7)+(6*4)+(5*3)+(4*9)+(3*7)+(2*4)+(1*8)=161
161 % 10 = 1
So 74397-48-1 is a valid CAS Registry Number.