31728-75-3

Basic information

• Product Name: 1,5-DIMETHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID
• Synonyms: 1,5-dimethyl-1H-pyrazole-4-carboxylic acid(SALTDATA: FREE);1H-Pyrazole-4-carboxylicacid,1,5-diMethyl-;1,5-Dimethylpyrazole-4-carboxylic acid;1,5-dimethyl-4-pyrazolecarboxylic acid
• CAS NO: 31728-75-3
• Molecular Formula: C₆H₈N₂O₂
• Molecular Weight: 140.14
• Mol File: 31728-75-3.mol
• Article Data: 5

Chemical Properties

• Melting Point: 181-183°C
• Boiling Point: 299.2°Cat760mmHg
• Flash Point: 134.7°C
• Appearance: /
• Density: 1.28g/cm³
• Vapor Pressure: 0.000542mmHg at 25°C
• Refractive Index: 1.575
• Storage Temp.: Inert atmosphere,Room Temperature
• PKA: 3.51±0.25(Predicted)
• Water Solubility: Slightly soluble in water.
• CAS DataBase Reference: 1,5-DIMETHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 1,5-DIMETHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID(31728-75-3)
• EPA Substance Registry System: 1,5-DIMETHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID(31728-75-3)

Safety Data

• Hazard Codes: Xn
• Statements: 22-36/37/38
• Safety Statements: 26
• WGK Germany: 3
• Hazardous Substances Data: 31728-75-3(Hazardous Substances Data)

Usage

General Description

1,5-Dimethyl-1H-pyrazole-4-carboxylic acid is a chemical compound with the molecular formula C7H10N2O2. It is a pyrazole derivative, which is a type of organic compound that contains a five-membered heterocyclic ring. 1,5-DIMETHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID is commonly used in the pharmaceutical industry as a building block for the synthesis of various drug molecules. It has also been studied for its potential biological activities, including its antimicrobial and anti-inflammatory properties. Additionally, it is utilized as a ligand in coordination chemistry and metal complex catalysis. Overall, 1,5-Dimethyl-1H-pyrazole-4-carboxylic acid has a wide range of applications in the fields of medicine, chemistry, and materials science.

InChI:InChI=1/C6H8N2O2/c1-4-5(6(9)10)3-7-8(4)2/h3H,1-2H3,(H,9,10)

Upstream product

• 25711-30-2 1,5-dimethyl-1H-pyrazole-4-carbaldehyde 
• 34605-61-3 ethyl 3-amino-1,5-dimethyl-1H-pyrazole-4-carboxylate 
• 21686-05-5 1-(1,5-dimethyl-1H-pyrazol-4-yl)ethan-1-one 
• 85290-77-3 1,5-dimethyl-1H-pyrazole-4-carboxylic acid ethyl ester 
• 5775-86-0 4-bromo-1,5-dimethyl-1H-pyrazole 
• 109-72-8 n-butyllithium 
• 60-29-7 diethyl ether 
• 85290-78-4 ethyl 3-methylpyrazole-4-carboxylate 
• 49836-24-0 (E)-2-(ethoxymethylene)-3-oxobutanoic acid ethyl ester 

Downstream Products

• 10505-19-8 1-Methyl-4,5-pyrazol-dicarbonsaeure 
• 3920-42-1 1,5-dimethyl-4-nitro-1H-pyrazole 
• 1318756-59-0 N-[2-(3-chloro-5-fluorobenzyl)-4-methyl-1,3-thiazol-5-yl]-1,5-dimethyl-1H-pyrazole-4-carboxamide 
• 288249-31-0 N-(3-cyano-4-neopentyloxyphenyl)-1,5-dimethylpyrazole-4-carboxamide 
• 288249-32-1 N-(3-cyano-4-isobutoxyphenyl)-1,5-dimethylpyrazole-4-carboxamide 
• 288249-36-5 4-(1-[2-cyano-4-(1,5-dimethyl-4-pyrazolecarboxamide)phenyl]piperidine-4-yloxy)-4-oxobutyric acid 
• 1005782-56-8 N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-fluorophenyl]-1,5-dimethyl-1H-pyrazole-4-carboxamide 
• 851973-08-5 1,5-dimethyl-1H-pyrazole-4-carbonyl chloride 
• 78703-62-5 2,3-Dimethyl-6-phenyl-2H-pyrano[4,3-c]pyrazol-4-one 
• 78703-56-7 3-iodo-1,5-dimethylpyrazole-4-carboxylic acid methyl ester 
• 5775-86-0 4-bromo-1,5-dimethyl-1H-pyrazole 

Relevant articles and documents

Electrosynthesis of pyrazole-4-carboxylic acids by oxidation of 4-formylpyrazoles on NiO(OH)-electrode in aqueous alkaline solution

Electrochemical oxidation of di- and trisubstituted 4-formylpyrazoles on a Ni-anode in aqueous alkali led to the formation of the corresponding pyrazole-4-carboxylic acid in 60-90% yields. The yields of the target products depend on position of substituent in the pyrazole ring and are decreased in the following sequence of substituent at position 1 Me > Et > Ph, as well as when the aqueous medium was replaced with aqueous alcohol (50% Bu tOH). Oxidation of 4-formylpyrazoles containing Me groups at the carbon atoms of the pyrazole ring led, to monoacids and also pyrazoledicarboxylic acids in small (1.5-14%) amounts; the latter were the oxidation products of the aldehyde and the Me groups.

NITRODECARBOXYLATION OF PYRAZOLECARBOXYLIC ACIDS

-

CONDENSATION OF IODO-N-METHYLPYRAZOLE-4-CARBOXYLIC ACIDS WITH COPPER ACETYLIDES

-