1-Oxo Fexofenadine Methyl Ester

Name: 1-Oxo Fexofenadine Methyl Ester
Brand: Vaqora Chemicals
SKU: VQ-030721

About 1-Oxo Fexofenadine Methyl Ester

1-Oxo Fexofenadine Methyl Ester (CAS 154477-55-1) is a metabolite or degradation product of Fexofenadine offered by Vaqora Chemicals. Formula C33H39NO4, molecular weight 513.7 g/mol. The IUPAC name is methyl 2-[4-[4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoate.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Analytical teams use this compound to identify metabolites and degradants of Fexofenadine, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer 1-Oxo Fexofenadine Methyl Ester in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Fexofenadine

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

Fexofenadine impurities

Specifications & identifiers

Chemical identifiers
Product name	1-Oxo Fexofenadine Methyl Ester
Catalogue No.	VQ-030721
CAS Number	154477-55-1
IUPAC name	methyl 2-[4-[4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoate
Molecular formula	C₃₃H₃₉NO₄
Molecular weight	513.7 g/mol
Exact mass	513.2879
Grade	Reference Standard
HSN code	38229090
InChIKey	PGQMZSGBFIPEKX-UHFFFAOYSA-N
SMILES	CC(C)(C1=CC=C(C=C1)C(=O)CCCN2CCC(CC2)C(C3=CC=CC=C3)(C4=CC=CC=C4)O)C(=O)OC
PubChem CID	9958101

Physical properties
Physical form	Solid
LogP (XLogP3)	5.7
H-bond donors / acceptors	1 / 5
TPSA	66.8 Å²

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H360May damage fertility or the unborn child

Precautionary statements: P203, P261, P264, P264 + P265, P270, P272, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P318, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 1-Oxo Fexofenadine Methyl Ester?

The CAS Registry Number of 1-Oxo Fexofenadine Methyl Ester is 154477-55-1. It is also known as Methyl-4-4(4-hydroxy diphenyl-methyl)-piperidine-1-oxobutyl-2-2-dimethyl phenyl, methyl2-(4-(4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoate.

What is the molecular formula and molecular weight of 1-Oxo Fexofenadine Methyl Ester?

1-Oxo Fexofenadine Methyl Ester has the molecular formula C33H39NO4 and a molecular weight of 513.7 g/mol. Its IUPAC name is methyl 2-[4-[4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoate.

What is 1-Oxo Fexofenadine Methyl Ester used for?

1-Oxo Fexofenadine Methyl Ester is supplied as a characterised reference material related to Fexofenadine. 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 1-Oxo Fexofenadine Methyl Ester can I order?

We supply 1-Oxo Fexofenadine Methyl Ester 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 1-Oxo Fexofenadine Methyl Ester?

Yes. Every lot of 1-Oxo Fexofenadine Methyl Ester 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 1-Oxo Fexofenadine Methyl Ester be shipped internationally?

Yes. 1-Oxo Fexofenadine Methyl Ester is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.