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142890-84-4

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142890-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142890-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,8,9 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 142890-84:
(8*1)+(7*4)+(6*2)+(5*8)+(4*9)+(3*0)+(2*8)+(1*4)=144
144 % 10 = 4
So 142890-84-4 is a valid CAS Registry Number.
InChI:InChI=1/C6H7NO2/c8-4-5-3-7-2-1-6(5)9/h1-3,8H,4H2,(H,7,9)

142890-84-4Relevant articles and documents

Design, synthesis, and AMPA receptor antagonistic activity of a novel 6-nitro-3-oxoquinoxaline-2-carboxylic acid with a substituted phenyl group at the 7 position

Takano, Yasuo,Shiga, Futoshi,Asano, Jun,Ando, Naoki,Uchiki, Hideharu,Fukuchi, Kazunori,Anraku, Tsuyosi

, p. 5841 - 5863 (2007/10/03)

We describe the design, synthesis, and biological properties of a novel series of 7-substituted 6-nitro-3-oxoquinoxaline-2-carboxylic acids. After designing, studying the structure-activity relationships, and evaluating the properties of various compounds

6,7-asymmetrically disubstituted quinoxalinecarboxylic acid derivatives, addition salts thereof, and processes for the preparation of both

-

Page column 76, (2010/11/30)

The present invention provides 6,7-asymmetrically disubstituted quinoxalinecarboxylic acid compounds and their addition salts, and processes for preparing them, which have antagonism against excitatory amino acid receptors, in particular, an AMPA receptor

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