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Molecule
ID:24698
Structure
Similarity
Functional Group
Text
General Information
Structure
Molecular Formula
C₄H₄N₂O₂
Molecular Mass
112.08676
Exact Mass
112.02727738
Charge
0
InChI
InChI=1S/C4H4N2O2/c7-4(8)3-1-5-6-2-3/h1-2H,(H,5,6)(H,7,8)
InChIKey
IMBBXSASDSZJSX-UHFFFAOYSA-N
Canonic Smiles
OC(=O)c1c[nH]nc1
Isomeric Smiles
c1(C(=O)O)c[nH]nc1
Calculated Properties
JChem
Acid pKa
3.4341729
H Acceptors
3
H Donor
2
LogD (pH = 5.5)
-2.1283627
LogD (pH = 7.4)
-3.4613287
Log P
-0.06498729
Molar Refractivity
27.0016
Polarizability
9.598587
Polar Surface Area
65.98
Rotatable Bonds
1
Lipinski's Rule of Five
true
Data Source
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Names and Identifiers
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Registration numbers
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Properties
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Related Proteins
No Data Available
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Molecular Spectra
No Data Available
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Molecule Details
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References
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Bioactivity
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General Information
Calculated Properties
•
RDKit
•
JChem
Data Source
•
Commercial Catalog
•
Academic Data
Names and Identifiers
•
Synonyms
•
IUPAC name
•
IUPAC Traditional name
Registration numbers
Properties
•
Safety Information
•
Product Information
•
Physical Property
Related Proteins
Molecular Spectra
Molecule Details
•
Sigma Aldrich
•
TRC
References
•
PubChem Literature
•
From Data Sources
Bioactivity
•
PubChem BioAssay
Data Source
Commercial Catalog
Matrix Scientific
027208
Apollo Scientific
OR30825
Sigma Aldrich
300713
TRC
P842550
Enamine
EN300-41863
Bide Pharmatech
BD33461
Alfa Aesar
H25783
A&J Pharmtech
AJA-O4254
AJA-O38450
Academic Data
PubChem
3015937
Names and Identifiers
Synonyms
1H-Pyrazole-4-carboxylic acid
4-吡唑羧酸
4-Pyrazolecarboxylic acid
4-Carboxypyrazole
1H-Pyrazole-4-carboxylic Acid
4-Pyrazolecarboxylic Acid
Pyrazole-4-carboxylic Acid
4-Carboxy-1H-pyrazole
1H-吡唑-4-甲酸
1H-Pyrazole-4-carboxylic acid
IUPAC name
1H-pyrazole-4-carboxylic acid
IUPAC Traditional name
1H-pyrazole-4-carboxylic acid
Registration numbers
CAS Number
37718-11-9
1134-50-5
MDL Number
MFCD00011558
EC Number
253-641-5
PubChem SID
24857935
160988005
PubChem CID
3015937
Properties
Safety Information
TSCA Listed
false
Source
否
Source
Storage Warning
IRRITANT
Source
Irritant
Source
MSDS Link
Download link
Source
Download link
Source
Download link
Source
Safety Statements
26
-
37/39
Source
26
-
37
Source
GHS Signal Word
Warning
Source
German water hazard class
3
Source
GHS Hazard statements
H315
-
H319
-
H335
Source
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Source
European Hazard Symbols
Irritant (Xi)
Source
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Source
GHS Precautionary statements
P261
-
P305+P351+P338
Source
P261
-
P305+P351+P338
-
P302+P352
-
P321
-
P405
-P501A
Source
Risk Statements
36/37/38
Source
Product Information
Purity
97%
Source
95%
Source
98%
Source
Empirical Formula (Hill Notation)
C4H4N2O2
Source
Certificate of Analysis
Download link
Source
Physical Property
Melting Point
282°C
Source
282 °C (dec.)(lit.)
Source
282 - 284°C
Source
281-283°C
Source
Hydrophobicity(logP)
0.538
Source
Molecule Details
Sigma Aldrich
300713
Packaging
500 mg in glass bottle
TRC
P842550
Used for the synthesis of isoxazole-4-carboxylic acid derivatives and isoxazole-3,5-dicarboxamides as herbicides.
References
PubChem Literature
From Data Sources
•
Pietruszko, R., et al.: Biochem. Pharmacol., 24,1603 (1975)
Bioactivity
PubChem BioAssay
Registration numbers
•
CAS Number
•
MDL Number
•
EC Number
•
PubChem SID
•
PubChem CID