46397-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 46397-21-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,6,3,9 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 46397-21:
(7*4)+(6*6)+(5*3)+(4*9)+(3*7)+(2*2)+(1*1)=141
141 % 10 = 1
So 46397-21-1 is a valid CAS Registry Number.