140403-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140403-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,4,0 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 140403-23:
(8*1)+(7*4)+(6*0)+(5*4)+(4*0)+(3*3)+(2*2)+(1*3)=72
72 % 10 = 2
So 140403-23-2 is a valid CAS Registry Number.
140403-23-2Relevant academic research and scientific papers
Thiophene derivatives
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, (2008/06/13)
This invention relates to new thiophene derivatives having antiinflammatory and analgesic activities and represented by the general formula [I]: STR1 wherein R1 is hydrogen, halogen, cyano, substituted lower alkyl, substituted or unsubstituted
