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2-Selenophenecarboxylic acid, 3-amino-4-cyano-5-phenyl-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

142231-92-3

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142231-92-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142231-92-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,2,3 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 142231-92:
(8*1)+(7*4)+(6*2)+(5*2)+(4*3)+(3*1)+(2*9)+(1*2)=93
93 % 10 = 3
So 142231-92-3 is a valid CAS Registry Number.

142231-92-3Downstream Products

142231-92-3Relevant academic research and scientific papers

Substituted 3-Amino-thiophenes and 3-Amino-selenophenes from β-Chloro-α-cyano-cinnamonitrile

Gewald, Karl,Hain, Ute

, p. 455 - 460 (1992)

β-Chloro-α-cyano-cinnamonitrile(1) reacts in one step with α-oxo-thioles 3 or successively with sodium sulphide and α-chlorocarbonyl compounds 4 to form the 5-substituted 4-amino-2-phenyl-thiophene-3-carbonitriles 5.Analogously, the successive reactions o

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