Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobuta… 66340-88-3

About Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate

Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate is an impurity of Ceftizoxime carrying the CAS registry number 66340-88-3. Formula C7H10ClNO4, molecular weight 207.61 g/mol. Its systematic (IUPAC) name is ethyl (2Z)-4-chloro-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.

Pharmaceutical QC and development laboratories use this impurity standard of Ceftizoxime to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. 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, Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate 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 Ceftizoxime

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

Ceftizoxime impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate
Catalogue No.	VQ-047724
CAS Number	66340-88-3
IUPAC name	ethyl (2Z)-4-chloro-2-methoxyimino-3-oxobutanoate
Molecular formula	C₇H₁₀ClNO₄
Molecular weight	207.61 g/mol
Exact mass	207.0298
Grade	Reference Standard
HSN code	38229090
InChIKey	QQTHNMBPRSXIHX-TWGQIWQCSA-N
SMILES	CCOC(=O)/C(=N\OC)/C(=O)CCl
PubChem CID	6365603

Physical properties
Physical form	Solid
LogP (XLogP3)	1.5
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 Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate?

The CAS Registry Number of Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate is 66340-88-3. It is also known as Butanoic acid, 4-chloro-2-(methoxyimino)-3-oxo-, ethyl ester, (2Z)-.

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

Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate has the molecular formula C7H10ClNO4 and a molecular weight of 207.61 g/mol. Its IUPAC name is ethyl (2Z)-4-chloro-2-methoxyimino-3-oxobutanoate.

What is Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate used for?

Ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate is supplied as a characterised reference material related to Ceftizoxime. 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 (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate can I order?

We supply Ethyl (Z)-4-chloro-2-(methoxyimino)-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 (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate?

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

Yes. We export Ethyl (Z)-4-chloro-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.