Ethyl 4-(2,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylate

氯雷他定杂质26

Also known as: 1-Piperidinecarboxylic acid, 4-(2,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-, ethyl ester, Ethyl 4-(2,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate, Loratadine 2-Chloro Impurity, Loratadine EP Impurity 18, Loratadine Impurity 26

Ethyl 4-(2,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylate (CAS 165739-64-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H22Cl2N2O2 and a molecular weight of 417.328 g/mol. It is also known as 1-Piperidinecarboxylic acid, 4-(2,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-, ethyl ester, Ethyl 4-(2,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate and Loratadine 2-Chloro Impurity. Key properties include a boiling point of 554.6±0.0 °C at 760 mmHg, a density of 1.3±0.0 g/cm3 and a flash point of 289.2±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
165739-64-0
Jingsj CID
J-1528936-4
Molecular Formula
C22H22Cl2N2O2
Chinese Name
氯雷他定杂质26
Molecular Weight
417.328 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point554.6±0.0 °C at 760 mmHg
Density1.3±0.0 g/cm3
Flash Point289.2±0.0 °C

Frequently Asked Questions

What is the CAS number of Ethyl 4-(2,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylate?

The CAS number of Ethyl 4-(2,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylate is 165739-64-0.

What are the molecular formula and molecular weight of Ethyl 4-(2,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylate?

Ethyl 4-(2,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylate has molecular formula C22H22Cl2N2O2 and molecular weight 417.328 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Ethyl 4-(2,8-dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylate (CAS 165739-64-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1528936-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.