3-Phenyl-1H-pyrazole-4-carboxylic acid

Modify Date: 2026-07-02 10:39:07

3-Phenyl-1H-pyrazole-4-carboxylic acid Structure
3-Phenyl-1H-pyrazole-4-carboxylic acid structure
Common Name 3-Phenyl-1H-pyrazole-4-carboxylic acid
CAS Number 5504-65-4 Molecular Weight 188.18300
Density 1.356g/cm3 Boiling Point 429.978ºC at 760 mmHg
Molecular Formula C10H8N2O2 Melting Point 278ºC (dec.)(lit.)
MSDS Chinese USA Flash Point 213.843ºC
Symbol GHS07
GHS07
Signal Word Warning

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 5-phenyl-1H-pyrazole-4-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.356g/cm3
Boiling Point 429.978ºC at 760 mmHg
Melting Point 278ºC (dec.)(lit.)
Molecular Formula C10H8N2O2
Molecular Weight 188.18300
Flash Point 213.843ºC
Exact Mass 188.05900
PSA 65.98000
LogP 1.77490
Index of Refraction 1.645
InChIKey LGTJKUYVFSBOMC-UHFFFAOYSA-N
SMILES O=C(O)c1cn[nH]c1-c1ccccc1

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Safety Phrases 22-24/25
RIDADR NONH for all modes of transport
HS Code 2933199090

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 3-Phenyl-1H-pyrazole-4-carboxylic acidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: High-throughput screen for inhibitors of the GIV GBA-motif interaction with Galpha-i ...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS1303
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: Alphascreen assay for small molecules abrogating mHTT-CaM Interaction
Source: 24983
Target: Huntingtin
External Id: KUHTS-Muma KU-CaM-Htt INH-01
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

3-Phenyl-1(2)H-pyrazol-4-carbonsaeure
3(5)-Phenylpyrazole-4-carboxylic acid
3-phenyl-1(2)H-pyrazole-4-carboxylic acid
MFCD06798067
3-Phenylpyrazol-4-carbonsaeure
3-phenyl-1H-pyrazole-4-carboxylic acid

 3-Phenyl-1H-pyrazole-4-carboxylic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: LogP of 5-phenyl-1H-pyrazole-4-carboxylic acid is 1.77490.
Q: What is the molecular formula of 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: Molecular formula of 5-phenyl-1H-pyrazole-4-carboxylic acid is C10H8N2O2.
Q: What is the polar surface area (PSA) of 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: Polar surface area (PSA) of 5-phenyl-1H-pyrazole-4-carboxylic acid is 65.98000.
Q: What are the upstream materials of 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: Related upstream materials(CAS) of 5-phenyl-1H-pyrazole-4-carboxylic acid: 26033-20-5;861585-88-8;2492-30-0;98-86-2;21031-22-1.
Q: What is the safety information for 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: Safety information for 5-phenyl-1H-pyrazole-4-carboxylic acid: 22-24/25.
Q: What is the melting point of 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: Melting point of 5-phenyl-1H-pyrazole-4-carboxylic acid is 278ºC (dec.)(lit.).
Q: What is the CAS number of 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: CAS number of 5-phenyl-1H-pyrazole-4-carboxylic acid is 5504-65-4.
Q: What is the molecular weight of 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: Molecular weight of 5-phenyl-1H-pyrazole-4-carboxylic acid is 188.18300.
Q: What is the SMILES notation of 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: SMILES notation of 5-phenyl-1H-pyrazole-4-carboxylic acid is O=C(O)c1cn[nH]c1-c1ccccc1.
Q: What is the InChIKey of 5-phenyl-1H-pyrazole-4-carboxylic acid?
A: InChIKey of 5-phenyl-1H-pyrazole-4-carboxylic acid is LGTJKUYVFSBOMC-UHFFFAOYSA-N.

 3-Phenyl-1H-pyrazole-4-carboxylic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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