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

Frontier Specialty Chemicals

Product number: JK130193
Product name: 5-Methyl-1-phenyl-1H-pyrazole-4-carboxylicacid
Purity: 97%
Packaging: 250mg
Price: $44
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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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