4-(8-Chloro-6,11-dihydro-11-hydroxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperidinecarboxylic acid ethyl ester
4-(8-氯-6,11-二氢-11-羟基-5H-苯并[5,6]环庚并[1,2-b]吡啶-11-基)-1-哌啶羧酸乙酯
Also known as: Loratadine Impurity 1, Loratadine EP Impurity A, Loratadine impurity A, 11-Hydroxy Dihydro Loratadine, Loratadine EP Impurity A (USP RC F), ethyl 4-(8-chloro-11-hydroxy-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridin-11-yl)piperidine-1-carboxylate
4-(8-Chloro-6,11-dihydro-11-hydroxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperidinecarboxylic acid ethyl ester (CAS 133284-74-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C22H25ClN2O3 and a molecular weight of 400.89900 g/mol. It is also known as Loratadine Impurity 1, Loratadine EP Impurity A and Loratadine impurity A. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 133284-74-9
- Jingsj CID
- J-1971499-0
- Molecular Formula
- C22H25ClN2O3
- Chinese Name
- 4-(8-氯-6,11-二氢-11-羟基-5H-苯并[5,6]环庚并[1,2-b]吡啶-11-基)-1-哌啶羧酸乙酯
- Molecular Weight
- 400.89900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of 4-(8-Chloro-6,11-dihydro-11-hydroxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperidinecarboxylic acid ethyl ester?
The CAS number of 4-(8-Chloro-6,11-dihydro-11-hydroxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperidinecarboxylic acid ethyl ester is 133284-74-9.
What are the molecular formula and molecular weight of 4-(8-Chloro-6,11-dihydro-11-hydroxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperidinecarboxylic acid ethyl ester?
4-(8-Chloro-6,11-dihydro-11-hydroxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperidinecarboxylic acid ethyl ester has molecular formula C22H25ClN2O3 and molecular weight 400.89900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(8-Chloro-6,11-dihydro-11-hydroxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-1-piperidinecarboxylic acid ethyl ester (CAS 133284-74-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1971499-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.