[R-[R,R-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur

Name: [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur
Brand: Vaqora Chemicals
SKU: VQ-022091

Synonyms: Desacetylcefotaxime lactone M2 · Methoxyimino Cefotaxime

CAS No.75679-12-8

FormulaC₁₄H₁₅N₅O₆S₂

Mol. weight413.40

Catalogue No.VQ-022091

PurityReference Standard

HSN38229090

[R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur (CAS 75679-12-8) – Cefotaxime impurity standard.

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 [R-[R,R-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur

Listed under CAS 75679-12-8, [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur is an impurity of Cefotaxime available from Vaqora Chemicals. With the molecular formula C14H15N5O6S2, it has a molar mass of 413.4 g/mol. It is also known as Desacetylcefotaxime lactone M2 or Methoxyimino Cefotaxime.

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.

This Cefotaxime impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Cefotaxime

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

Cefotaxime impurities

Specifications & identifiers

Chemical identifiers
Product name	[R-[R,R-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur
Catalogue No.	VQ-022091
CAS Number	75679-12-8
IUPAC name	(2R)-2-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-2-[(2R)-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]acetic acid
Molecular formula	C₁₄H₁₅N₅O₆S₂
Molecular weight	413.4 g/mol
Exact mass	413.0464
Grade	Reference Standard
HSN code	38229090
InChIKey	PHVYYFCTZOZQCX-KTFFUYHOSA-N
SMILES	CO/N=C(/C1=CSC(=N1)N)\C(=O)N[C@@H]([C@@H]2NC3=C(COC3=O)CS2)C(=O)O
PubChem CID	14673053

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	4 / 12
TPSA	219 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 [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur?

The CAS Registry Number of [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur is 75679-12-8. It is also known as Desacetylcefotaxime lactone M2, Methoxyimino Cefotaxime.

What is the molecular formula and molecular weight of [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur?

[R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur has the molecular formula C14H15N5O6S2 and a molecular weight of 413.4 g/mol. Its IUPAC name is (2R)-2-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-2-[(2R)-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]acetic acid.

What is [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur used for?

[R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur 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 [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur can I order?

We supply [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur 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 [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur?

Yes. Every lot of [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur 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 [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur be shipped internationally?

Yes. We export [R-[R*,R*-(Z)]]-a-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Fur worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.