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Home/Compounds/API/(E/Z)-doxepin
C19H21NO
279.4 g/mol
API

Doxepin

CAS1668-19-5
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material

Doxepin is a psychotropic agent with antidepressant and anxiolytic properties, commonly associated with tricyclic antidepressants. It is a tertiary amine that typically exists as a racemic mixture of (E) and (Z) stereoisomers.

pharmaceutical raw material for antidepressant manufacturingcompound used in insomnia treatment formulations

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ReferenceSame Category

(+/-)-narwedine

CAS1668-86-6

pharmaceutical raw material

ReferenceSame Category

(-)-ivabradine

CAS167072-91-5

pharmaceutical raw material

ReferenceSame Category

N-(4-Methylbenzene-1-sulfonyl)-N-(prop-2-en-1-yl)benzenecarbohydrazonic acid

CAS167073-19-0

pharmaceutical raw material

ReferenceSame Category

(2Z)-2-[(3R,4S,8S,9R,10S,13R,14R,16S)-3-hydroxy-4,10,14-trimethyl-11-oxo-16-propanoyloxy-2,3,4,5,6,7,8,9,12,13,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ylidene]-6-methylhept-5-enoic acid

CAS16711-91-4

pharmaceutical raw material

Referencestereoisomer of

(EZ)-doxepin hydrochloride

CAS1229-29-4

pharmaceutical raw material

Referencesame scaffold

Olopatadine

CAS113806-05-6

pharmaceutical raw material

Referencesame scaffold

Olopatadine hydrochloride

CAS140462-76-6

pharmaceutical raw material

Customs Tariff Classification

The international HS code for Doxepin (CAS 1668-19-5) is 2932.99.

HS code (international, 6-digit)

2932.99

EU CN code (8-digit)

2932 99 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

3-(6H-benzo[c][1]benzoxepin-11-ylidene)-N,N-dimethylpropan-1-amine

InChIKey

ODQWQRRAPPTVAG-UHFFFAOYSA-N

SMILES

CN(C)CCC=C1C2=CC=CC=C2COC3=CC=CC=C31

Synonyms (24)
  • (E)-Doxepin-d3
  • ApoDoxepin
  • Cidoxepin (free base)
  • Doxepin RPh
  • Doxepina
  • Doxepine
  • Doxepinum
  • Novo Doxepin
  • Sinepin
  • Sinequan
  • Sinquan
  • Zonalon
  • doxepin

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