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126573-83-9

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126573-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126573-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,7 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 126573-83:
(8*1)+(7*2)+(6*6)+(5*5)+(4*7)+(3*3)+(2*8)+(1*3)=139
139 % 10 = 9
So 126573-83-9 is a valid CAS Registry Number.

126573-83-9Downstream Products

126573-83-9Relevant articles and documents

Methanetricarboxylates as key reagents for the simple preparation of heteroarylcarboxamides with potential biological activity. Part 2 [1]. Reaction of methanetricarboxylates with 2-aminopyridine, 2-aminopyrimidine, 2-aminothiazole and 2-aminobenzothiazole

Kutyrev, Alexander,Kappe, Thomas

, p. 237 - 240 (2007/10/03)

The reaction of methanetricarboxylates 1a,b with 2-aminopyridine, 2- aminopyrimidine, 2-aminothiazole as well as 2-aminobenzothiazole yields corresponding heteroarylcarboxylic acid esters 2a,b, 5, 8, 11a,b. These heterocyclic esters were used as a starting material by the reaction with primary amines to obtaining a number of heteroarylcarboxylic amides 4a-j, 6, 10a,b, 13a-g bearing various substituents on the carboxamide group.

Base-Catalysed Rearrangement of Isoxazolinyl Heterocycles: Synthesis of Annelated Pyrimidines

Donati, Cosimo,Janowski, Wit K.,Prager, Rolf H.,Taylor, Max R.,Vilkins, Louise M.

, p. 2161 - 2169 (2007/10/02)

The rearrangement of a number of ethyl 2-(heterocyclic)-5-oxo-2,5-dihydroisoxazole-4-carboxylates by mild base is described, leading to new syntheses of the pyrimidoisoquinoline, pyrimidoquinoline, pyrimidobenzothiazole, pyrimido1,2-

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