Trequinsin hydrochloride

盐酸曲林菌素

Also known as: HL 725, HL 725 HCL, Trequinsin, HCl, 2,3,6,7-Tetrahydro-9,10-dimethoxy-3-methyl-2-[(2,4,6-trimethylphenyl)imino]-4H-pyrimido[6,1-a]isoquinolin-4-one hydrochloride, 9,10-Dimethoxy-2-mesitylimino-3-methyl-2,3,6,7-tetrahydro-4H-pyrimido-(6,1-a)-isoquinolin-4-one hydrochloride, Trequinsine

Trequinsin hydrochloride (CAS 78416-81-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H28ClN3O3 and a molecular weight of 441.95000 g/mol. It is also known as HL 725, HL 725 HCL and Trequinsin, HCl. Key properties include a boiling point of 613.8ºC at 760 mmHg and a flash point of 325ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
78416-81-6
Jingsj CID
J-49676-2
Molecular Formula
C24H28ClN3O3
Chinese Name
盐酸曲林菌素
Molecular Weight
441.95000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point613.8ºC at 760 mmHg
Flash Point325ºC

Frequently Asked Questions

What is the CAS number of Trequinsin hydrochloride?

The CAS number of Trequinsin hydrochloride is 78416-81-6.

What are the molecular formula and molecular weight of Trequinsin hydrochloride?

Trequinsin hydrochloride has molecular formula C24H28ClN3O3 and molecular weight 441.95000 g/mol.

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

Last updated:

How to cite: Jingsj. "Trequinsin hydrochloride (CAS 78416-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49676-2 (accessed 2026-10-23).

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