Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate

Name: Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate
Brand: Vaqora Chemicals
SKU: VQ-047714

CAS No.66340-85-0

FormulaC₆H₈BrNO₄

Mol. weight238.04

Catalogue No.VQ-047714

PurityReference Standard

HSN38229090

Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate (CAS 66340-85-0) – Cefotaxime impurity standard. C6H8BrNO4, MW 238.04. With COA, ships worldwide.

Pack sizesPrice on quotation · bulk available

10 mg

25 mg

50 mg

100 mg

Bulk / custom pack · kg to MT

Enquire

Batch COA with every lot

16-section GHS SDS

Export to 120+ countries

DG-compliant packing

About Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate

Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate is a metabolite or degradation product of Cefotaxime carrying the CAS registry number 66340-85-0. Its molecular formula is C6H8BrNO4 and its molecular weight is 238.04 g/mol.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Analytical teams use this compound to identify metabolites and degradants of Cefotaxime, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Cefotaxime

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

Cefotaxime impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate
Catalogue No.	VQ-047714
CAS Number	66340-85-0
Molecular formula	C₆H₈BrNO₄
Molecular weight	238.04 g/mol
Grade	Reference Standard
HSN code	38229090

Physical properties
Physical form	Solid

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(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate?

The CAS Registry Number of Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate is 66340-85-0.

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

Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate has the molecular formula C6H8BrNO4 and a molecular weight of 238.04 g/mol.

What is Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate used for?

Ethyl(2Z)-4-bromo-2-(hydroxyimino)-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 Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate can I order?

We supply Ethyl(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate 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(2Z)-4-bromo-2-(hydroxyimino)-3-oxobutanoate?

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

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