ChemicalBook > CAS DataBase List > 3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID

3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID

Product Name
3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID
CAS No.
696-22-0
Chemical Name
3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID
Synonyms
3-Methyl-5-pyrazolecarboxylic acid;Pyrazole-5-carboxylic acid, 3-methyl-;Pyrazole-3-carboxylic acid, 5-methyl-;3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID;1H-Pyrazole-3-carboxylic acid, 5-Methyl-;5(or 3)-Methyl-pyrazole-3(or 5)-carboxylic Acid;5-Methyl-2H-pyrazole-3-carboxylic acid,hydrochloride;3-methyl-1H-pyrazole-5-carboxylic acid(SALTDATA: FREE);InChI=1/C5H6N2O2/c1-3-2-4(5(8)9)7-6-3/h2H,1H3,(H,6,7)(H,8,9
CBNumber
CB92129975
Molecular Formula
C5H6N2O2
Formula Weight
126.11
MOL File
696-22-0.mol
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3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID Property

Melting point:
236-240℃
storage temp. 
2-8°C
Appearance
White to off-white Solid
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Ambeed
Product number
A197553
Product name
3-Methyl-1H-pyrazole-5-carboxylicacid
Purity
95%
Packaging
1g
Price
$21
Updated
2021/12/16
SynChem
Product number
SC-26215
Product name
5-Methyl-2H-pyrazole-3-carboxylic acid,hydrochloride
Purity
95+%
Packaging
1g
Price
$39
Updated
2021/12/16
Ambeed
Product number
A197553
Product name
3-Methyl-1H-pyrazole-5-carboxylicacid
Purity
95%
Packaging
5g
Price
$59
Updated
2021/12/16
SynChem
Product number
SC-26215
Product name
5-Methyl-2H-pyrazole-3-carboxylic acid,hydrochloride
Purity
95+%
Packaging
5G
Price
$119
Updated
2021/12/16
Aronis compounds
Product number
BBB/647
Product name
3-methyl-1H-pyrazole-5-carboxylicacid
Packaging
1g
Price
$133
Updated
2021/12/16
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3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID Chemical Properties,Usage,Production

Definition

ChEBI: 5-methyl-pyrazole-3-carboxylic acid is a memebr of the class of pyrazoles that is 1H-pyrazole with methyl and carboxylic acid group substituents at positions 5 and 3 respectively. It has a role as a metabolite. It is a member of pyrazoles and a monocarboxylic acid. It derives from a hydride of a 1H-pyrazole.

Synthesis

25016-17-5

696-22-0

General procedure for the synthesis of 3-methyl-1H-pyrazole-5-carboxylic acid from methyl 5-methyl-1H-pyrazole-3-carboxylate: 75 ml of methanol solution of 10.1 g (71.8 mmol) of methyl 5-methyl-1H-pyrazole-3-carboxylate was added to the reaction flask and stirred until complete dissolution. Subsequently, 150 ml of an aqueous solution containing 4.4 g (110 mmol) of sodium hydroxide was slowly added. The reaction mixture was heated to 50°C and kept at this temperature for 2 hours. After completion of the reaction, the pH of the reaction solution was adjusted to 2 with 2 M hydrochloric acid solution, at which point a solid precipitated. The precipitate was collected by filtration and the filter cake was washed with an appropriate amount of water. Finally, the filter cake was dried to give a white solid product 3-methyl-1H-pyrazole-5-carboxylic acid in 99.8% yield.

References

[1] Patent: CN105669556, 2016, A. Location in patent: Paragraph 0083; 0084; 0085

3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID manufacturers

Career Henan Chemical Co
Product
3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID 696-22-0
Price
US $1.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
200KG
Release date
2018-12-23

696-22-0, 3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACIDRelated Search:

3-hydroxyphthalic acid N,3-dimethyl-2-nitroBenzamide 3'-Methylacetophenone 3-Methoxy-2-formamino-benzoesaeure-methylester 5-Phenyl-1H-pyrazole-3-carboxylic acid 3-PHENYL-1H-PYRAZOLE-5-CARBOXYLIC ACID

  • 3-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID
  • 3-methyl-1H-pyrazole-5-carboxylic acid(SALTDATA: FREE)
  • 3-Methyl-5-pyrazolecarboxylic acid
  • 1H-Pyrazole-3-carboxylic acid, 5-Methyl-
  • 5(or 3)-Methyl-pyrazole-3(or 5)-carboxylic Acid
  • InChI=1/C5H6N2O2/c1-3-2-4(5(8)9)7-6-3/h2H,1H3,(H,6,7)(H,8,9
  • Pyrazole-3-carboxylic acid, 5-methyl-
  • Pyrazole-5-carboxylic acid, 3-methyl-
  • 5-Methyl-2H-pyrazole-3-carboxylic acid,hydrochloride
  • 696-22-0