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3-methyl-4-[(2-nitrophenyl)hydrazono]-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothioamide is a complex organic compound with the molecular formula C11H9N5O3S. It is characterized by a pyrazole ring, which is a five-membered aromatic ring containing four nitrogen atoms. The compound features a methyl group at the 3-position, a hydrazone group attached to the 4-position, and a nitro group on the phenyl ring. The 5-oxo group indicates the presence of a carbonyl group at the 5-position, and the compound also has a carbothioamide group, which is a thioamide (a sulfur analog of an amide) attached to the 1-position of the pyrazole ring. This chemical is likely to be found in research settings, particularly in the fields of pharmaceuticals or chemical synthesis, due to its potential applications in the development of new drugs or as intermediates in organic synthesis.

26178-99-4

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26178-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26178-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,1,7 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 26178-99:
(7*2)+(6*6)+(5*1)+(4*7)+(3*8)+(2*9)+(1*9)=134
134 % 10 = 4
So 26178-99-4 is a valid CAS Registry Number.

26178-99-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name (4E)-3-methyl-4-[(2-nitrophenyl)hydrazinylidene]-5-oxopyrazole-1-carbothioamide

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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More Details:26178-99-4 SDS

26178-99-4Downstream Products

26178-99-4Relevant academic research and scientific papers

Synthesis of some substituted pyrazolones

Dabholkar, Vijay V.,Hawaldar, Freddy,Khapare, Sachin

, p. 249 - 252 (2011/12/15)

Ethyl-2-[diazo (substituted benzene)] acetoacetates II were treated with thiosemicarbazide to furnish 4-(substituted phenyl) azo-5-methyl-2-thioamido-3- pyrazolones III. Compounds II on treatment with one molar quantity of thiocarbohydrazide (TCH) yielded 4-(substituted phenyl) azo-5-methyl-2- thiocarboxyhydrazino-3-pyrazolones IV whereas bis-2-[4-(substituted phenyl) azo-5-methyl-3-pyrazolone] thioketones V were obtained by treating II with two molar quantity of TCH. All the final desired compounds have been synthesized by microwave irradiation technique as well as classical thermal method. The structures of the newly synthesized compounds have been established by analytical and spectral methods.

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