Bufexamac EP Impurity B

Name: Bufexamac EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-034798

About Bufexamac EP Impurity B

Bufexamac EP Impurity B (CAS 29056-06-2) is a pharmacopeial impurity of Bufexamac offered by Vaqora Chemicals. With the molecular formula C13H18O3, it has a molar mass of 222.28 g/mol. Its systematic (IUPAC) name is methyl 2-(4-butoxyphenyl)acetate. It is also known as Bufexamac - Impurity B or Methyl 4-butoxyphenylacetate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Bufexamac, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are 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

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Bufexamac

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

Bufexamac impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Bufexamac EP Impurity B
Catalogue No.	VQ-034798
CAS Number	29056-06-2
IUPAC name	methyl 2-(4-butoxyphenyl)acetate
Molecular formula	C₁₃H₁₈O₃
Molecular weight	222.28 g/mol
Exact mass	222.1256
Grade	Reference Standard
HSN code	38229090
InChIKey	IEPLOMKGNGXJAW-UHFFFAOYSA-N
SMILES	CCCCOC1=CC=C(C=C1)CC(=O)OC
PubChem CID	120122

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 3
TPSA	35.5 Å²
Synonyms	Bufexamac - Impurity B, Methyl 4-butoxyphenylacetate, Methyl 4-butoxybenzeneacetate, 4-Butoxyphenylacetic Acid Methyl Ester, Benzeneacetic acid, 4-butoxy-, methyl ester, Methyl (4-butoxyphenyl)acetate, methyl p-butoxyphenylacetate, (p-Butoxyphenyl)acetic acid methyl ester, Methyl (4-butoxyphenyl)acetate #, (4-butoxy-phenyl)-acetic acid methyl ester

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 EP Impurity B?

The CAS Registry Number of Bufexamac EP Impurity B is 29056-06-2. It is also known as Bufexamac - Impurity B, Methyl 4-butoxyphenylacetate, Methyl 4-butoxybenzeneacetate.

What is the molecular formula and molecular weight of Bufexamac EP Impurity B?

Bufexamac EP Impurity B has the molecular formula C13H18O3 and a molecular weight of 222.28 g/mol. Its IUPAC name is methyl 2-(4-butoxyphenyl)acetate.

What is Bufexamac EP Impurity B used for?

Bufexamac EP Impurity B 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 EP Impurity B can I order?

We supply Bufexamac EP Impurity B 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 EP Impurity B?

Yes. Every lot of Bufexamac EP Impurity B 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 EP Impurity B be shipped internationally?

Yes. Bufexamac EP Impurity B 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.