Ethyl isoxazole-3-carboxylate - ≥97% , CAS No.3209-70-9

CAS: 3209-70-9 Cat. No.: E176121 Molecular Weight: 141.12 EC Number: 898-611-8
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
RKXWKTOBQOSONL-UHFFFAOYSA-N | TS-01838 | 3-carboethoxy isoxazole | ethyl isoxazole-3-carboxylate | DTXSID20434429 | PB14547 | FT-0686490 | 3-ethoxycarbonylisoxazole | Ethyl 1,2-oxazole-3-carboxylate | SY066081 | A821128 | ETHYLISOXAZOLE-3-CARBOXYLATE | 3-
Storage
Protected from light,Store at -20°C
Shipped In
Ice chest + Ice pads
Size
Status
Price
Qty
1g
E176121-1g
1

$31.90

$47.90
Save $16.00 (33.40%)
5g
E176121-5g
1

$39.90

$59.90
Save $20.00 (33.39%)
25g
E176121-25g
1

$161.90

$242.90
Save $81.00 (33.35%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

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
RKXWKTOBQOSONL-UHFFFAOYSA-N | TS-01838 | 3-carboethoxy isoxazole | ethyl isoxazole-3-carboxylate | DTXSID20434429 | PB14547 | FT-0686490 | 3-ethoxycarbonylisoxazole | Ethyl 1, 2-oxazole-3-carboxylate | SY066081 | A821128 | ETHYLISOXAZOLE-3-CARBOXYLATE | 3-
Specifications & Purity
≥97%
Storage
Protected from light, Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid528771740
Canonical SmilesCCOC(=O)C1=NOC=C1
IUPAC Nameethyl 1,2-oxazole-3-carboxylate
InChIKeyRKXWKTOBQOSONL-UHFFFAOYSA-N
INCHI1S/C6H7NO3/c1-2-9-6(8)5-3-4-10-7-5/h3-4H,2H2,1H3
Isomeric SMILES CCOC(=O)C1=NOC=C1
Molecular Weight 141.12
Reaxy-Rn 115770
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=115770&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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzoles
SubclassIsoxazoles
Intermediate Tree Nodes Not available
Direct ParentIsoxazoles
Alternative Parents Heteroaromatic compounds  Carboxylic acid esters  Oxacyclic compounds  Azacyclic compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Heteroaromatic compound - Isoxazole - Carboxylic acid ester - Oxacycle - Azacycle - Carboxylic acid derivative - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as isoxazoles. These are heterocyclic organic compounds containing an isoxazole moiety, with a structure characterized by a five-member aromatic ring with one oxygen atom and one nitrogen atom at ring positions 1 and 2, respectively.
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
B2507399Certificate of AnalysisAug 23, 2024 E176121
B2507400Certificate of AnalysisAug 23, 2024 E176121
B2507401Certificate of AnalysisAug 23, 2024 E176121
B2507402Certificate of AnalysisAug 23, 2024 E176121
B2507404Certificate of AnalysisAug 23, 2024 E176121
B2507405Certificate of AnalysisAug 23, 2024 E176121
Chemical and Physical Properties
SensitivityLight sensitive
Molecular Weight141.120 g/mol
XLogP30.900
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass141.043 Da
Monoisotopic Mass141.043 Da
Topological Polar Surface Area52.300 Ų
Heavy Atom Count10
Formal Charge0
Complexity126.000
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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