3-(4-Fluorophenyl)-5-methylisoxazol-4-carboxylic Acid - ≥98% , CAS No.1736-21-6

CAS: 1736-21-6 Cat. No.: F156580 Molecular Weight: 221.19 EC Number: 681-381-6
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
3-(4-Fluorophenyl)-5-methylisoxazole-4-carboxylic acid, 97% | AKOS000265305 | 3-(4-fluorophenyl)-5-methylisoxazole-4-carboxylicacid | F1023 | SCHEMBL457706 | J-010926 | EN300-33646 | A18309 | CCG-138922 | AS-38321 | FT-0613668 | 4-Isoxazolecarboxylic acid
Storage
Store at 2-8°C,Protected from light,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
F156580-250mg
5
$33.90
1g
F156580-1g
5
$95.90
5g
F156580-5g
2
$359.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Protected from light,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
3-(4-Fluorophenyl)-5-methylisoxazole-4-carboxylic acid, 97% | AKOS000265305 | 3-(4-fluorophenyl)-5-methylisoxazole-4-carboxylicacid | F1023 | SCHEMBL457706 | J-010926 | EN300-33646 | A18309 | CCG-138922 | AS-38321 | FT-0613668 | 4-Isoxazolecarboxylic acid
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Protected from light, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid488193844
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488193844
Canonical SmilesCC1=C(C(=NO1)C2=CC=C(C=C2)F)C(=O)O
IUPAC Name3-(4-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid
InChIKeyPDEGBONVUJDOFN-UHFFFAOYSA-N
INCHI1S/C11H8FNO3/c1-6-9(11(14)15)10(13-16-6)7-2-4-8(12)5-3-7/h2-5H,1H3,(H,14,15)
Isomeric SMILES CC1=C(C(=NO1)C2=CC=C(C=C2)F)C(=O)O
WGK Germany 3
Molecular Weight 221.19
Reaxy-Rn 790430
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=790430&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassHalobenzenes
Intermediate Tree Nodes Not available
Direct ParentFluorobenzenes
Alternative Parents Aryl fluorides  Isoxazoles  Heteroaromatic compounds  Oxacyclic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organofluorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Fluorobenzene - Aryl fluoride - Aryl halide - Azole - Isoxazole - Heteroaromatic compound - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Organoheterocyclic compound - Azacycle - Oxacycle - Organohalogen compound - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Organofluoride - Organonitrogen compound - Organooxygen compound - Organopnictogen compound - Organic nitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as fluorobenzenes. These are compounds containing one or more fluorine atoms attached to a benzene ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateItem
D23141727Certificate of AnalysisMar 04, 2023 F156580
D23141729Certificate of AnalysisMar 04, 2023 F156580
D23141732Certificate of AnalysisMar 04, 2023 F156580
D23141738Certificate of AnalysisMar 04, 2023 F156580
D23141797Certificate of AnalysisMar 04, 2023 F156580
D23141818Certificate of AnalysisMar 04, 2023 F156580
Chemical and Physical Properties
SolubilitySoluble in Methanol
SensitivityHeat Sensitive;light sensitive; Moisture sensitive
Melt Point(°C)201 °C
Molecular Weight221.180 g/mol
XLogP32.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass221.049 Da
Monoisotopic Mass221.049 Da
Topological Polar Surface Area63.300 Ų
Heavy Atom Count16
Formal Charge0
Complexity266.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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