ChemicalBook > CAS DataBase List > 5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID

5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID

Product Name
5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID
CAS No.
91138-00-0
Chemical Name
5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID
Synonyms
AKOS PAO-0331;BUTTPARK 33\08-16;CBI-BB ZERO/006129;RARECHEM AL BE 1317;TIMTEC-BB SBB005428;SALOR-INT L317624-1EA;Alitretinoin Impurity 10;3-METHYL-2-PHENYLPYRAZOLE-4-CARBOXYLIC &;3-METHYL-2-PHENYLPYRAZOLE-4-CARBOXYLIC ACID;5-METHYL-1-PHENYLPYRAZOLE-4-CARBOXYLIC ACID
CBNumber
CB1459359
Molecular Formula
C11H10N2O2
Formula Weight
202.21
MOL File
91138-00-0.mol
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5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID Property

Melting point:
166-170 °C(lit.)
Boiling point:
382.9±22.0 °C(Predicted)
Density 
1.24±0.1 g/cm3(Predicted)
storage temp. 
Store at room temperature
solubility 
Chloroform
form 
Solid
pka
3.38±0.25(Predicted)
color 
Off-White
λmax
239nm(EtOH aq)(lit.)
BRN 
162776
CAS DataBase Reference
91138-00-0(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Risk Statements 
38
Safety Statements 
36
WGK Germany 
3
HazardClass 
IRRITANT
HS Code 
29331990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
595926
Product name
3-Methyl-2-phenyl-4-pyrazolecarboxylic acid
Purity
97%
Packaging
1g
Price
$94.3
Updated
2023/01/07
TCI Chemical
Product number
M2692
Product name
5-Methyl-1-phenylpyrazole-4-carboxylic Acid
Purity
>98.0%(GC)(T)
Packaging
1g
Price
$60
Updated
2025/07/31
TCI Chemical
Product number
M2692
Product name
5-Methyl-1-phenylpyrazole-4-carboxylic Acid
Purity
>98.0%(GC)(T)
Packaging
5g
Price
$239
Updated
2025/07/31
TRC
Product number
M325895
Product name
5-Methyl-1-phenylpyrazole-4-carboxylic Acid
Packaging
10g
Price
$970
Updated
2021/12/16
Medical Isotopes, Inc.
Product number
12164
Product name
5-Methyl-1-phenylpyrazole-4-carboxylic Acid
Packaging
5G
Price
$1600
Updated
2021/12/16
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5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID Chemical Properties,Usage,Production

Chemical Properties

Off-White Solid

Uses

5-Methyl-1-phenylpyrazole-4-carboxylic Acid (cas# 91138-00-0) is a compound useful in organic synthesis.

5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID Preparation Products And Raw materials

Raw materials

Ethyl acetoacetate Sodium hydroxide N,N-Dimethylformamide dimethyl acetal Phenylhydrazine

Preparation Products

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5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID Suppliers

Americas 1 Belgium 1 Canada 1 China 57 Europe 1 Germany 4 India 9 Japan 1 Russia 1 Switzerland 1 Ukraine 2 United Kingdom 8 United States 22 Global 109
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91138-00-0, 5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACIDRelated Search:

5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID ETHYL ESTER 1-(4-CHLOROPHENYL)-5-PROPYL-1H-PYRAZOLE-4-CARBOXYLIC ACID 1-PHENYL-5-PROPYL-1H-PYRAZOLE-4-CARBOXYLIC ACID 1-(4-NITROPHENYL)-5-(TRIFLUOROMETHYL)PYRAZOLE-4-CARBOXYLIC ACID 5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID ETHYL 2-PHENYL-3-(TRIFLUOROMETHYL)PYRAZOLE-4-CARBOXYLATE ETHYL 2-(4-NITROPHENYL)-3-(TRIFLUOROMETHYL)PYRAZOLE-4-CARBOXYLATE 1-PHENYL-5-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBOXYLIC ACID 1-METHYL-5-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID 5-METHYL-1-PHENYL-1H-PYRAZOLE-3-CARBOXYLIC ACID ETHYL ESTER 1-Methyl-5-phenyl-1H-pyrazole-3-carboxylic acid 97%,1-METHYL-5-PHENYL-1H-PYRAZOLE-3-CARBOXYLIC ACID 4-Pyrazolecarboxylic acid 1-Phenyl-1H-pyrazole-4-carboxylic acid 1-PHENYLPYRAZOLE ETHYL 1-PHENYL-5-PROPYL-1H-PYRAZOLE-4-CARBOXYLATE ETHYL 2-(4-FLUOROPHENYL)-3-(TRIFLUOROMETHYL)PYRAZOLE-4-CARBOXYLATE ETHYL 1-(2,4-DIFLUOROPHENYL)-5-METHYLPYRAZOLE-4-CARBOXYLATE RARECHEM AL BI 0565

  • AKOS PAO-0331
  • 5-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXYLIC ACID
  • 5-METHYL-1-PHENYLPYRAZOLE-4-CARBOXYLIC ACID
  • 3-METHYL-2-PHENYLPYRAZOLE-4-CARBOXYLIC ACID
  • CBI-BB ZERO/006129
  • BUTTPARK 33\08-16
  • RARECHEM AL BE 1317
  • SALOR-INT L317624-1EA
  • TIMTEC-BB SBB005428
  • 3-Methyl-2-phenylpyrazole-4-carboxylic acid, 5-Methyl-1-phenyl-1H-pyrazole-4-carboxylic acid
  • 5-Methyl-1-phenyl-1H-pyrazole-4-carboxylic acid ,97%
  • 3-METHYL-2-PHENYLPYRAZOLE-4-CARBOXYLIC &
  • 3-methyl-2-phenyl-4-pyrazolecarboxylic acid
  • 3-Methyl-2-phenyl-4-pyrazolecarboxylic acid 97%
  • 5-methyl-1-phenyl-4-pyrazolecarboxylic acid
  • 5-Methyl-1-phenyl-1H-pyrazol-4-carboxylic acid
  • 5-Methyl-1-phenylpyrazole-4-carboxylic Acid &gt
  • 1H-Pyrazole-4-carboxylic acid, 5-methyl-1-phenyl-
  • Alitretinoin Impurity 10
  • 91138-00-0
  • Pyrazoles
  • Heterocycles
  • Building Blocks
  • C11
  • Chemical Synthesis
  • Heterocyclic Building Blocks
  • Pyrazoles
  • Heterocyclic Compounds