Norketotifen Hydrochloride

去甲酮替芬盐酸盐

Also known as: 10H-Benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 4,9-dihydro-4-(4-piperidinylidene)-, hydrochloride (1:1), 4-(piperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one hydrochloride, Ketotifen Impurity 3 HCl (Norketotifen HCl), Ketotifen Impurity 9 HCl, KetotifenImpurity3HCl, Norketotifen HCl

Norketotifen Hydrochloride (CAS 1227458-03-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H18ClNOS and a molecular weight of 331.9 g/mol. It is also known as 10H-Benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 4,9-dihydro-4-(4-piperidinylidene)-, hydrochloride (1:1), 4-(piperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one hydrochloride and Ketotifen Impurity 3 HCl (Norketotifen HCl). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1227458-03-8
Jingsj CID: J-240881-3
Molecular Formula: C₁₈H₁₈ClNOS
Chinese Name: 去甲酮替芬盐酸盐
Molecular Weight: 331.9 g/mol
Category: Organic Acids
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of Norketotifen Hydrochloride?

The CAS number of Norketotifen Hydrochloride is 1227458-03-8.

What are the molecular formula and molecular weight of Norketotifen Hydrochloride?

Norketotifen Hydrochloride has molecular formula C18H18ClNOS and molecular weight 331.9 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Norketotifen Hydrochloride (CAS 1227458-03-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-240881-3 (accessed 2026-10-24).

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