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140413-44-1

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140413-44-1 Usage

Synthesis Reference(s)

Journal of Medicinal Chemistry, 35, p. 1887, 1992 DOI: 10.1021/jm00088a027

Check Digit Verification of cas no

The CAS Registry Mumber 140413-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,4,1 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 140413-44:
(8*1)+(7*4)+(6*0)+(5*4)+(4*1)+(3*3)+(2*4)+(1*4)=81
81 % 10 = 1
So 140413-44-1 is a valid CAS Registry Number.
InChI:InChI=1/C8H9ClN2O/c1-4-3-5(2)11-7(9)6(4)8(10)12/h3H,1-2H3,(H2,10,12)

140413-44-1Relevant articles and documents

Synthesis of some halogen- and nitro-substituted nicotinic acids and their fragmentation under electron impact

Dyadyuchenko,Strelkov,Mikhailichenko,Zaplishny

, p. 308 - 314 (2007/10/03)

Features of electrophilic and nucleophilic substitution under chlorination and nitration reactions conditions have been investigated for 6-hydroxy- and 6-methyl-substituted derivatives of 3-cyano-4-methyl-2(1H)-pyridones. The polychloro- and nitro-substituted 3-cyano-4-methylpyridines obtained were used as synthons in the synthesis of some polyhalo- and nitro-substituted nicotinic acids and their amides. The fragmentation pathways of the synthesized compounds under electron impact have been studied.

NUCLEOPHILIC SUBSTITUTION REACTIONS IN 2-CHLOROPYRIDINES AND 2,5-DIOXO-1,2,5,7-TETRAHYDRO-1H-FUROPYRIDINES

Kalme, Z. A.,Roloff, B.,Pelcher, Yu. E.,Popelis, Yu. Yu.,Khagen, F.,Dubur, G. Ya

, p. 1031 - 1035 (2007/10/02)

3-Cyano- and 3-carbamoyl-2-chloropyridines react with hydrazine hydrate to form substituted 3-amino-1H-pyrazolopyridines and 3-oxo-2,3-dihydro-1H-pyrazolopyridines.Hydrazine hydrate reacts with 3-carbamoyl-2-chloro-5-oxo-5,7-dihydrofuro3,4-

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