218301-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 218301-21-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,3,0 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 218301-21:
(8*2)+(7*1)+(6*8)+(5*3)+(4*0)+(3*1)+(2*2)+(1*1)=94
94 % 10 = 4
So 218301-21-4 is a valid CAS Registry Number.
218301-21-4Relevant articles and documents
Guanidine mimics as factor Xa inhibitors
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Page column 35, (2010/02/04)
The present application describes nitrogen containing heteroaromatics and derivatives thereof of formula I: or pharmaceutically acceptable salt forms thereof, wherein rings D—E represent guanidine mimics, which are useful as inhibitors of factor Xa.