Bufexamac

Name: Bufexamac
Brand: Vaqora Chemicals
SKU: VQ-024678

About Bufexamac

Vaqora Chemicals supplies Bufexamac, a high-purity reference standard of Bufexamac registered under CAS number 2438-72-4. Its molecular formula is C12H17NO3 and its molecular weight is 223.27 g/mol. The IUPAC name is 2-(4-butoxyphenyl)-N-hydroxyacetamide. Alternative names: Bufexamic acid and p-Butoxyphenylacetohydroxamic acid.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Bufexamac standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. 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, Bufexamac is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Bufexamac

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

Bufexamac impurities

Specifications & identifiers

Chemical identifiers
Product name	Bufexamac
Catalogue No.	VQ-024678
CAS Number	2438-72-4
IUPAC name	2-(4-butoxyphenyl)-N-hydroxyacetamide
Molecular formula	C₁₂H₁₇NO₃
Molecular weight	223.27 g/mol
Exact mass	223.1208
Grade	Reference Standard
HSN code	38229090
InChIKey	MXJWRABVEGLYDG-UHFFFAOYSA-N
SMILES	CCCCOC1=CC=C(C=C1)CC(=O)NO
PubChem CID	2466

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	2 / 3
TPSA	58.6 Å²
Synonyms	Bufexamic acid, p-Butoxyphenylacetohydroxamic acid, 4-Butoxy-N-hydroxybenzeneacetamide, 4-Butoxyphenylacetohydroxamic acid, 2-(p-Butoxyphenyl)-acetohydroxamic acid, CP 1044 J3, Acide p-butoxyphenylacethydroxamique, CP-1044-J3, Bufexamac ratiopharm, p-Butoxyphenylacethydroxamic Acid, p Butoxyphenylacethydroxamic Acid, Droxaryl

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction

Precautionary statements: P261, P264, P270, P272, P280, P301 + P317, P302 + P352, P321, P330, P333 + P317, P362 + P364, 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 Bufexamac?

The CAS Registry Number of Bufexamac is 2438-72-4. It is also known as Bufexamic acid, p-Butoxyphenylacetohydroxamic acid, 4-Butoxy-N-hydroxybenzeneacetamide.

What is the molecular formula and molecular weight of Bufexamac?

Bufexamac has the molecular formula C12H17NO3 and a molecular weight of 223.27 g/mol. Its IUPAC name is 2-(4-butoxyphenyl)-N-hydroxyacetamide.

What is Bufexamac used for?

Bufexamac is supplied as a characterised reference material related to Bufexamac. 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 Bufexamac can I order?

We supply Bufexamac 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 Bufexamac?

Yes. Every lot of Bufexamac 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 Bufexamac be shipped internationally?

Yes. Bufexamac 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.