Doxepin

Name: Doxepin
Brand: Vaqora Chemicals
SKU: VQ-007435

About Doxepin

Doxepin (CAS 1668-19-5) is a high-purity reference standard of Doxepin offered by Vaqora Chemicals. With the molecular formula C19H21NO, it has a molar mass of 279.4 g/mol. Systematically, it is named 3-(6H-benzo[c][1]benzoxepin-11-ylidene)-N,N-dimethylpropan-1-amine. Alternative names: Doxepine and Sinepin.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Laboratories use this Doxepin standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Doxepin in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Doxepin

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

Doxepin impurities

Specifications & identifiers

Chemical identifiers
Product name	Doxepin
Catalogue No.	VQ-007435
CAS Number	1668-19-5
IUPAC name	3-(6H-benzo[c][1]benzoxepin-11-ylidene)-N,N-dimethylpropan-1-amine
Molecular formula	C₁₉H₂₁NO
Molecular weight	279.4 g/mol
Exact mass	279.1623
Grade	Reference Standard
HSN code	38229090
InChIKey	ODQWQRRAPPTVAG-UHFFFAOYSA-N
SMILES	CN(C)CCC=C1C2=CC=CC=C2COC3=CC=CC=C31
PubChem CID	3158

Physical properties
Physical form	Solid
LogP (XLogP3)	4.3
H-bond donors / acceptors	0 / 2
TPSA	12.5 Å²
Synonyms	3-Dibenz[b,e]oxepin-11(6H)-ylidene-N,N-dimethyl-1-propanamine, 11-[3-(Dimethylamino)propylidene]-6H-dibenz[b,e]oxepin, Doxepine, Sinepin, 1-Propanamine, 3-dibenz[b,e]oxepin-11(6H)-ylidene-N,N-dimethyl-, 1-Propanamine, 3-dibenz(b,e)oxepin-11(6H)-ylidene-N,N-dimethyl-, ApoDoxepin, 11-(3-Dimethylamino-propyliden)-6,11-dihydro-dibenz(b,e)oxipin, N,N-Dimethyldibenz(b,e)oxepin-delta(11(6H),gamma)-propylamine, Novo Doxepin, Apo Doxepin, Doxepin RPh

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?

The CAS Registry Number of Doxepin is 1668-19-5. It is also known as 3-Dibenz[b,e]oxepin-11(6H)-ylidene-N,N-dimethyl-1-propanamine, 11-[3-(Dimethylamino)propylidene]-6H-dibenz[b,e]oxepin, Doxepine.

What is the molecular formula and molecular weight of Doxepin?

Doxepin has the molecular formula C19H21NO and a molecular weight of 279.4 g/mol. Its IUPAC name is 3-(6H-benzo[c][1]benzoxepin-11-ylidene)-N,N-dimethylpropan-1-amine.

What is Doxepin used for?

Doxepin 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 can I order?

We supply Doxepin 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?

Yes. Every lot of Doxepin 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 be shipped internationally?

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