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Molecule
ID:34368
Structure
Similarity
Functional Group
Text
General Information
Structure
Molecular Formula
C₅H₅NO₃
Molecular Mass
127.0981
Exact Mass
127.02694303
Charge
0
InChI
InChI=1S/C5H5NO3/c1-3-4(5(7)8)2-6-9-3/h2H,1H3,(H,7,8)
InChIKey
VQBXUKGMJCPBMF-UHFFFAOYSA-N
Canonic Smiles
Cc1oncc1C(=O)O
Isomeric Smiles
o1c(c(cn1)C(=O)O)C
Calculated Properties
JChem
Acid pKa
3.9778595
H Acceptors
3
H Donor
1
LogD (pH = 5.5)
-1.3358326
LogD (pH = 7.4)
-2.976706
Log P
0.19493544
Molar Refractivity
29.9059
Polarizability
10.595942
Polar Surface Area
63.33
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
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Molecular Spectra
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Molecule Details
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References
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Bioactivity
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General Information
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RDKit
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Data Source
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Academic Data
Names and Identifiers
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IUPAC name
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Synonyms
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IUPAC Traditional name
Registration numbers
Properties
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Safety Information
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Physical Property
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Product Information
Related Proteins
Molecular Spectra
Molecule Details
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Sigma Aldrich
•
TRC
References
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PubChem Literature
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From Data Sources
Bioactivity
•
PubChem BioAssay
Data Source
Commercial Catalog
Matrix Scientific
037121
Apollo Scientific
OR14300
Maybridge
CC26301
Sigma Aldrich
633771
Alfa Aesar
L14628
TRC
M315000
Enamine
EN300-26675
Bide Pharmatech
BD2706
ChemBridge
3001678
A&J Pharmtech
AJA-O11219
AJA-O12948
Academic Data
PubChem
1425240
Names and Identifiers
IUPAC name
5-methyl-1,2-oxazole-4-carboxylic acid
Synonyms
5-Methylisoxazole-4-carboxylic acid
5-methyl-4-isoxazolecarboxylic acid
5-Methylisoxazole-4-carboxylic acid
5-甲基异噁唑-4-甲酸
5-Methyl-4-isoxazolecarboxylic Acid
IUPAC Traditional name
5-methyl-1,2-oxazole-4-carboxylic acid
Registration numbers
CAS Number
42831-50-5
PubChem CID
1425240
PubChem SID
160997675
24882579
MDL Number
MFCD00955655
Beilstein Number
116000
EC Number
000-000-0
Molecule Details
Sigma Aldrich
633771
Packaging
1, 10 g in glass bottle
TRC
M315000
An intermediate for synthesis of Leflunomide (L322750). Herbicidal activities towards Digitaria ciliaris.
References
PubChem Literature
From Data Sources
•
Dong, J., et al.: Chem. Pharmaceut. Bull., 58, 1210 (2010)
Bioactivity
PubChem BioAssay
Registration numbers
•
CAS Number
•
PubChem CID
•
PubChem SID
•
MDL Number
•
Beilstein Number
•
EC Number
Properties
Safety Information
Storage Warning
IRRITANT
Source
Irritant/Light Sensitive
Source
MSDS Link
Download link
Source
Download link
Source
Download link
Source
false
Source
否
Source
3
Source
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Source
H315
-
H319
-
H335
Source
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
Irritant (Xi)
P261
-
P305+P351+P338
-
P302+P352
-
P321
-
P405
-P501A
Source
26
-
37
Source
36/37/38
Source
Physical Property
144-149°C
Source
144-148 °C(lit.)
Source
144 - 146°C
Source
144-149°C
Source
Water
Source
Acetone
Source
DMSO
Source
Acetonitrile
Product Information
97%
Source
95%
Source
98%
Source
98+%
Source
C5H5NO3
Source
Download link
Source
Source
Source
Source
Methanol
Source
Beige Crystals
Source
0.316
Source
TSCA Listed
German water hazard class
Personal Protective Equipment
GHS Hazard statements
GHS Pictograms
European Hazard Symbols
GHS Precautionary statements
Safety Statements
Risk Statements
Melting Point
Solubility
Purity
Empirical Formula (Hill Notation)
Certificate of Analysis
Apperance
Hydrophobicity(logP)