Ethyl 2-Ethyl-2-methylacetoacetate - ≥93%(GC) , CAS No.33697-53-9

CAS: 33697-53-9 Cat. No.: E156202 Molecular Weight: 172.22 Beilstein Registry Number: 3(4)1609
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GRADE & PURITY ≥93%(GC)
Synonyms
NWMTWESXONQJPU-UHFFFAOYSA- | 2-Ethyl-2-methylacetoacetic Acid Ethyl Ester | E0437 | FT-0693306 | InChI=1/C9H16O3/c1-5-9(4,7(3)10)8(11)12-6-2/h5-6H2,1-4H3 | DTXSID30342501 | Ethyl 2-ethyl-2-methyl-3-oxobutanoate # | D90516 | Ethyl 2-ethyl-2-methyl-3-oxobut
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5ml
E156202-5ml
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$49.90
25ml
E156202-25ml
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$177.90
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Why this grade

≥93%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C 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.

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Literature proof

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

Specifications

Synonyms
NWMTWESXONQJPU-UHFFFAOYSA- | 2-Ethyl-2-methylacetoacetic Acid Ethyl Ester | E0437 | FT-0693306 | InChI=1/C9H16O3/c1-5-9(4, 7(3)10)8(11)12-6-2/h5-6H2, 1-4H3 | DTXSID30342501 | Ethyl 2-ethyl-2-methyl-3-oxobutanoate # | D90516 | Ethyl 2-ethyl-2-methyl-3-oxobut
Specifications & Purity
≥93%(GC)
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥93%(GC)
Names and Identifiers
Canonical SmilesCCC(C)(C(=O)C)C(=O)OCC
IUPAC Nameethyl 2-ethyl-2-methyl-3-oxobutanoate
InChIKeyNWMTWESXONQJPU-UHFFFAOYSA-N
INCHI1S/C9H16O3/c1-5-9(4,7(3)10)8(11)12-6-2/h5-6H2,1-4H3
Isomeric SMILES CCC(C)(C(=O)C)C(=O)OCC
Molecular Weight 172.22
Beilstein 3(4)1609
Reaxy-Rn 1761632
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1761632&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
SuperclassOrganic acids and derivatives
ClassKeto acids and derivatives
SubclassBeta-keto acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBeta-keto acids and derivatives
Alternative Parents Fatty acid esters  Ketones  Carboxylic acid esters  Monocarboxylic acids and derivatives  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Fatty acid ester - Beta-keto acid - Fatty acyl - Ketone - Carboxylic acid ester - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as beta-keto acids and derivatives. These are organic compounds containing an aldehyde substituted with a keto group on the C3 carbon atom.
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.

2 results found

Lot NumberCertificate TypeDateItem
I2505329Certificate of AnalysisAug 27, 2025 E156202
I2505330Certificate of AnalysisAug 27, 2025 E156202
Chemical and Physical Properties
SensitivityMoisture sensitive
Refractive Index1.43
Flash Point(°C)74 °C
Boil Point(°C)199°C(lit.)
Molecular Weight172.220 g/mol
XLogP31.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count5
Exact Mass172.11 Da
Monoisotopic Mass172.11 Da
Topological Polar Surface Area43.400 Ų
Heavy Atom Count12
Formal Charge0
Complexity186.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
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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