Ethyl (E)-4-oxo-4-phenylbut-2-enoate

Name: Ethyl (E)-4-oxo-4-phenylbut-2-enoate
Brand: Vaqora Chemicals
SKU: VQ-036982

About Ethyl (E)-4-oxo-4-phenylbut-2-enoate

Ethyl (E)-4-oxo-4-phenylbut-2-enoate (CAS 17450-56-5) is an impurity of Enalapril offered by Vaqora Chemicals. Its molecular formula is C12H12O3 and its molecular weight is 204.22 g/mol. It is also known as E-ethyl-4-oxo-4-phenylcrotonate or Ethyl (2E)-4-oxo-4-phenyl-2-butenoate.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Enalapril to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Ethyl (E)-4-oxo-4-phenylbut-2-enoate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Enalapril

View every impurity, metabolite and intermediate we list for Enalapril.

Enalapril impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethyl (E)-4-oxo-4-phenylbut-2-enoate
Catalogue No.	VQ-036982
CAS Number	17450-56-5
IUPAC name	ethyl (E)-4-oxo-4-phenylbut-2-enoate
Molecular formula	C₁₂H₁₂O₃
Molecular weight	204.22 g/mol
Exact mass	204.0786
Grade	Reference Standard
HSN code	38229090
InChIKey	ACXLBHHUHSJENU-CMDGGOBGSA-N
SMILES	CCOC(=O)/C=C/C(=O)C1=CC=CC=C1
PubChem CID	5369605

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
Synonyms	E-ethyl-4-oxo-4-phenylcrotonate, Ethyl (2E)-4-oxo-4-phenyl-2-butenoate, Ethyl 3-benzoylacrylate, ethyl 4-oxo-4-phenylbut-2-enoate, (E)-Ethyl 4-oxo-4-phenylbut-2-enoate, Ethyl trans-3-Benzoylacrylate, ethyl (2E)-4-oxo-4-phenylbut-2-enoate, 2-Butenoic acid, 4-oxo-4-phenyl-, ethyl ester, (2E)-, 2-Butenoic acid, 4-oxo-4-phenyl-, ethyl ester, Ethyl (2E)-4-oxo-4-phenyl-2-butenoate #, trans-3-Benzoylacrylic Acid Ethyl Ester, E-ethyl-3-benzoyl-acryla

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P272, P273, P280, P301 + P317, P302 + P352, P305 + P354 + P338, P317, P321, P330, P332 + P317, P333 + P317, P362 + P364, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ethyl (E)-4-oxo-4-phenylbut-2-enoate?

The CAS Registry Number of Ethyl (E)-4-oxo-4-phenylbut-2-enoate is 17450-56-5. It is also known as E-ethyl-4-oxo-4-phenylcrotonate, Ethyl (2E)-4-oxo-4-phenyl-2-butenoate, Ethyl 3-benzoylacrylate.

What is the molecular formula and molecular weight of Ethyl (E)-4-oxo-4-phenylbut-2-enoate?

Ethyl (E)-4-oxo-4-phenylbut-2-enoate has the molecular formula C12H12O3 and a molecular weight of 204.22 g/mol. Its IUPAC name is ethyl (E)-4-oxo-4-phenylbut-2-enoate.

What is Ethyl (E)-4-oxo-4-phenylbut-2-enoate used for?

Ethyl (E)-4-oxo-4-phenylbut-2-enoate is supplied as a characterised reference material related to Enalapril. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Ethyl (E)-4-oxo-4-phenylbut-2-enoate can I order?

We supply Ethyl (E)-4-oxo-4-phenylbut-2-enoate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ethyl (E)-4-oxo-4-phenylbut-2-enoate?

Yes. Every lot of Ethyl (E)-4-oxo-4-phenylbut-2-enoate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ethyl (E)-4-oxo-4-phenylbut-2-enoate be shipped internationally?

Yes. Ethyl (E)-4-oxo-4-phenylbut-2-enoate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.