Doxepin EP Impurity D

Name: Doxepin EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-036807

About Doxepin EP Impurity D

Doxepin EP Impurity D is a pharmacopeial impurity of Doxepin carrying the CAS registry number 3607-18-9. Formula C19H21NO, molecular weight 279.4 g/mol. Its systematic (IUPAC) name is (3Z)-3-(6H-benzo[c][1]benzoxepin-11-ylidene)-N,N-dimethylpropan-1-amine. It is also known as (Z)-Doxepin or Doxepin Hydrochloride - Impurity D (Freebase).

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Doxepin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across 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 D
Catalogue No.	VQ-036807
CAS Number	3607-18-9
IUPAC name	(3Z)-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-BOPFTXTBSA-N
SMILES	CN(C)CC/C=C\1/C2=CC=CC=C2COC3=CC=CC=C31
PubChem CID	667468

Physical properties
Physical form	Solid
LogP (XLogP3)	4.3
H-bond donors / acceptors	0 / 2
TPSA	12.5 Å²
Synonyms	(Z)-Doxepin, Doxepin Hydrochloride - Impurity D (Freebase), Cidoxepin, Doxepin, (z)-, Cidoxepine, Doxepin trans-form hydrochloride, cis-doxepin, Doxepin (Z)-isomer, 3-Dibenz[b,e]oxepin-11(6H)-ylidene-N,N-dimethyl-1-propanamine, cis-N-(3-(6H-Dibenz(b,e)oxepin-11-yliden)propyl)-N,N-dimethylamin, (3z)-3-(Dibenzo[b,E]oxepin-11(6h)-Ylidene)-N,N-Dimethylpropan-1-Amine, (3Z)-3-dibenzo[b,e]oxepin-11(6H)-ylidene-N,N-dimethylpropan-1-amine

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 D?

The CAS Registry Number of Doxepin EP Impurity D is 3607-18-9. It is also known as (Z)-Doxepin, Doxepin Hydrochloride - Impurity D (Freebase), Cidoxepin.

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

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

What is Doxepin EP Impurity D used for?

Doxepin EP Impurity D 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 D can I order?

We supply Doxepin EP Impurity D 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 D?

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

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