Ebastine EP Impurity B

Name: Ebastine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-022473

About Ebastine EP Impurity B

Ebastine EP Impurity B (CAS 943-27-1) is a pharmacopeial impurity of Ebastine offered by Vaqora Chemicals. The compound has the formula C12H16O, corresponding to a molecular weight of 176.25 g/mol. The IUPAC name is 1-(4-tert-butylphenyl)ethanone. Alternative names: Ebastine - Impurity B and 4'-tert-Butylacetophenone.

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.

As a characterised impurity of Ebastine, 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.

We offer Ebastine EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Ebastine

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

Ebastine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ebastine EP Impurity B
Catalogue No.	VQ-022473
CAS Number	943-27-1
IUPAC name	1-(4-tert-butylphenyl)ethanone
Molecular formula	C₁₂H₁₆O
Molecular weight	176.25 g/mol
Exact mass	176.1201
Grade	Reference Standard
HSN code	38229090
InChIKey	UYFJYGWNYQCHOB-UHFFFAOYSA-N
SMILES	CC(=O)C1=CC=C(C=C1)C(C)(C)C
PubChem CID	13669

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	Ebastine - Impurity B, 4'-tert-Butylacetophenone, 4-tert-Butylacetophenone, p-tert-Butylacetophenone, Acetophenone, 4'-tert-butyl-, Ethanone, 1-[4-(1,1-dimethylethyl)phenyl]-, p-tert-Butylacetylbenzene, Ethanone, 1-(4-(1,1-dimethylethyl)phenyl)-, 1-((1,1-Dimethylethyl)phenyl)ethanone, Ethanone, 1-((1,1-dimethylethyl)phenyl)-, Ethanone, 1-[(1,1-dimethylethyl)phenyl]-, Acetophenone, 4'-tert-butyl-(8CI)

Safety & hazard information (GHS)

Flammable

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor

Precautionary statements: P210, P233, P240, P241, P242, P243, P280, P303 + P361 + P353, P370 + P378, P403 + P235, 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 Ebastine EP Impurity B?

The CAS Registry Number of Ebastine EP Impurity B is 943-27-1. It is also known as Ebastine - Impurity B, 4'-tert-Butylacetophenone, 4-tert-Butylacetophenone.

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

Ebastine EP Impurity B has the molecular formula C12H16O and a molecular weight of 176.25 g/mol. Its IUPAC name is 1-(4-tert-butylphenyl)ethanone.

What is Ebastine EP Impurity B used for?

Ebastine EP Impurity B is supplied as a characterised reference material related to Ebastine. 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 Ebastine EP Impurity B can I order?

We supply Ebastine 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 Ebastine EP Impurity B?

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

Yes. Ebastine 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.