Clemastine EP Impurity B

Name: Clemastine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-025004

About Clemastine EP Impurity B

Listed under CAS 1352549-49-5, Clemastine EP Impurity B is a pharmacopeial impurity of Clemastine available from Vaqora Chemicals. The compound has the formula C21H26ClNO, corresponding to a molecular weight of 343.9 g/mol. Systematically, it is named 4-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]-1-methylazepane. It is also known as Clemastine Fumarate - Impurity B.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Clemastine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. 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, Clemastine EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Clemastine

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

Clemastine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Clemastine EP Impurity B
Catalogue No.	VQ-025004
CAS Number	1352549-49-5
IUPAC name	4-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]-1-methylazepane
Molecular formula	C₂₁H₂₆ClNO
Molecular weight	343.9 g/mol
Exact mass	343.1703
Grade	Reference Standard
HSN code	38229090
InChIKey	HWYKTWVEFMQZJW-BPGUCPLFSA-N
SMILES	C[C@@](C1=CC=CC=C1)(C2=CC=C(C=C2)Cl)OC3CCCN(CC3)C
PubChem CID	176482482

Physical properties
Physical form	Solid
LogP (XLogP3)	5
H-bond donors / acceptors	0 / 2
TPSA	12.5 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 Clemastine EP Impurity B?

The CAS Registry Number of Clemastine EP Impurity B is 1352549-49-5. It is also known as Clemastine Fumarate - Impurity B, 4-((R)-1-(4-chlorophenyl)-1-phenylethoxy)-1-methylazepane, 4-[(1R)-1-(4-Chlorophenyl)-1-phenylethoxy]hexahydro-1-methyl-1H-azepine.

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

Clemastine EP Impurity B has the molecular formula C21H26ClNO and a molecular weight of 343.9 g/mol. Its IUPAC name is 4-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]-1-methylazepane.

What is Clemastine EP Impurity B used for?

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

We supply Clemastine 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 Clemastine EP Impurity B?

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

Yes. We export Clemastine EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.