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Benzenesulfonamide, 4-[(3,5-dimethyl-1H-pyrazol-4-yl)azo]-, is a chemical compound with the molecular formula C12H14N6O2S. It is an azo dye derivative, characterized by the presence of a benzene ring with a sulfonamide group and an azo group attached to it. The azo group is formed by the linkage of a 3,5-dimethyl-1H-pyrazol-4-yl moiety, which contributes to the compound's color and properties. This specific chemical structure is often used in the synthesis of dyes and pigments, particularly those with applications in the textile and coloring industries. The compound's unique structure also makes it a subject of interest in chemical research, potentially for its use in the development of new materials or as a reagent in various chemical processes.

843-12-9

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843-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 843-12-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,4 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 843-12:
(5*8)+(4*4)+(3*3)+(2*1)+(1*2)=69
69 % 10 = 9
So 843-12-9 is a valid CAS Registry Number.

843-12-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-[2-(3,5-dimethylpyrazol-4-ylidene)hydrazinyl]benzenesulfonamide

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

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:843-12-9 SDS

843-12-9Downstream Products

843-12-9Relevant academic research and scientific papers

Pyrazoles and Isoxazoles Based Sulfanilamide and Phenazone as Antimicrobial Agents: Synthesis and Biological Activity

Moustafa,El-Sayed,El Rayes,Morsy,Abd-allah,Ismail,Abd El-Aal

, p. 2314 - 2320 (2020/01/08)

New pyrazole and pyridine derivatives have been synthesized from sulfanilamide and phenazone via diazotization and coupling with a wide range of α-CH acids followed by heterocyclization with hydrazine derivative, hydroxylamine and cyanoacetamide. The anti

Polysubstituted pyrazoles. Part 2: Sulphonamidophenylhydrazone-2-pyrazolin-4-ones and sulphonamidophenylazopyrazoles as potential anticancer agents.

Soliman,Shafik

, p. 436 - 439 (2007/10/08)

The synthesis of some new derivatives of 1-[4-nitrophenyl]-5-[4-substituted sulphonamidophenylhydrazono]-2-pyrazolin-4-ones and 3,5-dimethyl-4-[4-substituted sulphonamidophenylazo]-pyrazoles is described. Bromination of ethyl 2-[nitrophenylhydrazono]-3-oxobutyrates in dry benzene afforded the 4-bromo derivatives which upon cyclization gave high yields of the 4-hydroxpyrazoles. Many other new intermediates were prepared and the results of the UV and IR spectral studies are discussed.

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