221135-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221135-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,3 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 221135-89:
(8*2)+(7*2)+(6*1)+(5*1)+(4*3)+(3*5)+(2*8)+(1*9)=93
93 % 10 = 3
So 221135-89-3 is a valid CAS Registry Number.
221135-89-3Relevant academic research and scientific papers
Pyrazinone thrombin inhibitors
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, (2008/06/13)
Compounds of the invention are useful in inhibiting thrombin and associated thrombotic occlusions having the following structure: for example:
