(E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate

Name: (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate
Brand: Vaqora Chemicals
SKU: VQ-051888

Synonyms: Ethyl (Z)-4-bromo-2-(methoxyimino)-3-oxobutanoate · Butanoic acid, 4-bromo-2-(methoxyimino)-3-oxo-, ethyl ester, (Z)- · (Z)-ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate

CAS No.65872-39-1

FormulaC₇H₁₀BrNO₄

Mol. weight252.06

Catalogue No.VQ-051888

PurityOn COA

HSN—

(E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate (CAS 65872-39-1) – Cefotaxime intermediate. C7H10BrNO4, MW 252.06. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available

10 mg

25 mg

50 mg

100 mg

Bulk / custom pack · kg to MT

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Batch COA with every lot

16-section GHS SDS

Export to 120+ countries

DG-compliant packing

About (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate

Listed under CAS 65872-39-1, (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate is a process intermediate or related compound of Cefotaxime available from Vaqora Chemicals. With the molecular formula C7H10BrNO4, it has a molar mass of 252.06 g/mol. Systematically, it is named ethyl (2Z)-4-bromo-2-methoxyimino-3-oxobutanoate.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is a process intermediate or related compound in the synthesis of Cefotaxime, useful for route development, impurity fate-and-purge studies and analytical method development. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Cefotaxime

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

Cefotaxime impurities

Specifications & identifiers

Chemical identifiers
Product name	(E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate
Catalogue No.	VQ-051888
CAS Number	65872-39-1
IUPAC name	ethyl (2Z)-4-bromo-2-methoxyimino-3-oxobutanoate
Molecular formula	C₇H₁₀BrNO₄
Molecular weight	252.06 g/mol
Exact mass	250.9793
InChIKey	LULLGGWIEBUSRX-TWGQIWQCSA-N
SMILES	CCOC(=O)/C(=N\OC)/C(=O)CBr
PubChem CID	13145991

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	0 / 5
TPSA	65 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)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate?

The CAS Registry Number of (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate is 65872-39-1. It is also known as Ethyl (Z)-4-bromo-2-(methoxyimino)-3-oxobutanoate, Butanoic acid, 4-bromo-2-(methoxyimino)-3-oxo-, ethyl ester, (Z)-, (Z)-ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate.

What is the molecular formula and molecular weight of (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate?

(E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate has the molecular formula C7H10BrNO4 and a molecular weight of 252.06 g/mol. Its IUPAC name is ethyl (2Z)-4-bromo-2-methoxyimino-3-oxobutanoate.

What is (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate used for?

(E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate is supplied as a characterised reference material related to Cefotaxime. 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)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate can I order?

We supply (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate, 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)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate?

Yes. Every lot of (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate 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)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate be shipped internationally?

Yes. We export (E)-Ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.