(E)-3-Methyl-4-oxo-2-butenoic Acid

Name: (E)-3-Methyl-4-oxo-2-butenoic Acid
Brand: Vaqora Chemicals
SKU: VQ-048717

About (E)-3-Methyl-4-oxo-2-butenoic Acid

(E)-3-Methyl-4-oxo-2-butenoic Acid (CAS 54168-84-2) is a process intermediate or related compound of Isotretinoin offered by Vaqora Chemicals. Formula C5H6O3, molecular weight 114.1 g/mol. Its systematic (IUPAC) name is (E)-3-methyl-4-oxobut-2-enoic acid. Common synonyms include 3-methyl-4-oxo-crotonic acid and (2E)-3-Methyl-4-oxo-2-butenoic acid.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Process chemists and analysts use it when developing synthetic routes to Isotretinoin, tracking process-related impurities and validating analytical methods. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, (E)-3-Methyl-4-oxo-2-butenoic Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Isotretinoin

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

Isotretinoin impurities

Specifications & identifiers

Chemical identifiers
Product name	(E)-3-Methyl-4-oxo-2-butenoic Acid
Catalogue No.	VQ-048717
CAS Number	54168-84-2
IUPAC name	(E)-3-methyl-4-oxobut-2-enoic acid
Molecular formula	C₅H₆O₃
Molecular weight	114.1 g/mol
Exact mass	114.0317
InChIKey	VXAWORVMCLXEKH-DUXPYHPUSA-N
SMILES	C/C(=C\C(=O)O)/C=O
PubChem CID	11094570

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	1 / 3
TPSA	54.4 Å²

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 (E)-3-Methyl-4-oxo-2-butenoic Acid?

The CAS Registry Number of (E)-3-Methyl-4-oxo-2-butenoic Acid is 54168-84-2. It is also known as 3-methyl-4-oxo-crotonic acid, (2E)-3-Methyl-4-oxo-2-butenoic acid, 2-Butenoic acid, 3-methyl-4-oxo-, (2E)-.

What is the molecular formula and molecular weight of (E)-3-Methyl-4-oxo-2-butenoic Acid?

(E)-3-Methyl-4-oxo-2-butenoic Acid has the molecular formula C5H6O3 and a molecular weight of 114.1 g/mol. Its IUPAC name is (E)-3-methyl-4-oxobut-2-enoic acid.

What is (E)-3-Methyl-4-oxo-2-butenoic Acid used for?

(E)-3-Methyl-4-oxo-2-butenoic Acid is supplied as a characterised reference material related to Isotretinoin. 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 (E)-3-Methyl-4-oxo-2-butenoic Acid can I order?

We supply (E)-3-Methyl-4-oxo-2-butenoic Acid, 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 (E)-3-Methyl-4-oxo-2-butenoic Acid?

Yes. Every lot of (E)-3-Methyl-4-oxo-2-butenoic Acid 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 (E)-3-Methyl-4-oxo-2-butenoic Acid be shipped internationally?

Yes. We export (E)-3-Methyl-4-oxo-2-butenoic Acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.