Doxepin EP Impurity A

Name: Doxepin EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-025390

About Doxepin EP Impurity A

Vaqora Chemicals supplies Doxepin EP Impurity A, a pharmacopeial impurity of Doxepin registered under CAS number 4504-87-4. Formula C14H10O2, molecular weight 210.23 g/mol. Systematically, it is named 6H-benzo[c][1]benzoxepin-11-one. Common synonyms include Doxepin Related Compound A and Doxepin Hydrochloride - Impurity A.

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 “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Doxepin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in 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 Doxepin

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

Doxepin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Doxepin EP Impurity A
Catalogue No.	VQ-025390
CAS Number	4504-87-4
IUPAC name	6H-benzo[c][1]benzoxepin-11-one
Molecular formula	C₁₄H₁₀O₂
Molecular weight	210.23 g/mol
Exact mass	210.0681
Grade	Reference Standard
HSN code	38229090
InChIKey	YUSHFLBKQQILNV-UHFFFAOYSA-N
SMILES	C1C2=CC=CC=C2C(=O)C3=CC=CC=C3O1
PubChem CID	78259

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	Doxepin Related Compound A, Doxepin Hydrochloride - Impurity A, Dibenz[b,e]oxepin-11(6H)-one, Doxepinone, 6,11-Dihydrodibenz[b,e]oxepin-11-one, Dibenz(b,e)oxepin-11(6H)-one, 6,11-dihydrodibenz(b,e)oxepin-11-one, Dibenzo[b,E]oxepin-11(6H)-one, 6,11-Dihydrodibenzo[b,e]oxepin-11-one, Dibenzo[b,e]oxepin-11(6H)-one (Doxepinone), 6H-Dibenzo[b,e]oxepin-11-one, Dibenzo[be]oxepin-11(6H)-one

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P316, P301 + P317, P321, P330, 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 Doxepin EP Impurity A?

The CAS Registry Number of Doxepin EP Impurity A is 4504-87-4. It is also known as Doxepin Related Compound A, Doxepin Hydrochloride - Impurity A, Dibenz[b,e]oxepin-11(6H)-one.

What is the molecular formula and molecular weight of Doxepin EP Impurity A?

Doxepin EP Impurity A has the molecular formula C14H10O2 and a molecular weight of 210.23 g/mol. Its IUPAC name is 6H-benzo[c][1]benzoxepin-11-one.

What is Doxepin EP Impurity A used for?

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

We supply Doxepin EP Impurity A 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 Doxepin EP Impurity A?

Yes. Every lot of Doxepin EP Impurity A 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 Doxepin EP Impurity A be shipped internationally?

Yes. Doxepin EP Impurity A 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.