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Thieno[2,3-b]pyridine-5-carboxylic acid, 3-amino-2-(aminocarbonyl)-4,7-dihydro-6-methyl-4-(3-nitrophenyl)-, ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

111853-38-4

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111853-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111853-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,8,5 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111853-38:
(8*1)+(7*1)+(6*1)+(5*8)+(4*5)+(3*3)+(2*3)+(1*8)=104
104 % 10 = 4
So 111853-38-4 is a valid CAS Registry Number.

111853-38-4Downstream Products

111853-38-4Relevant academic research and scientific papers

SYNTHESIS OF 3-AMINO-6-METHYL-5-ETHOXYCARBONYL-4,7-DIHYDROTHIENOPYRIDINE DERIVATIVES

Krauze, A. A.,Liepin'sh, E. E.,Pelcher, Yu. E.,Dubur,G. Ya.

, p. 102 - 106 (1987)

The alkylation of piperidinium salts of substituted 1,4-dihydropyridine-2-thiols with chloroacetonitrile or iodoacetamide gave 2-cyanomethylthio- and 2-carbamoylmethylthio-substituted 6-methyl-4-aryl(pyridyl)-5-ethoxycarbonyl-3-cyano-1,4-dihydropyridines, which undergo intramolecular cyclization in basic media to give 3-amino-6-methyl-4-aryl(pyridyl)-5-ethoxycarbonyl-2-cyano(carbamoyl)-4,7-dihydrothienopyridines.

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