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1-(5-Isoquinolinylsulfonyl)-3-methylpiperazine dihydrochloride

Also known as: Iso-H7 dihydrochloride, H-7, ISO-, DIHYDROCHLORIDE, H7, ISO-H7, 1-(5-Isoquinolinesulfonyl)-3-methylpiperazine dihydrochloride, 5-((3-methylpiperazin-1-yl)sulfonyl)isoquinoline dihydrochloride, 1-(5-ISOQUINOLINYLSULFONYL)-3-METHYL-PIPERAZINE DIHYDROCHLORIDE, (+/-)-1-(5-ISOQUINOLINESULFONYL)-3-METHYLPIPERAZINE DIHYDROCHLORIDE

1-(5-Isoquinolinylsulfonyl)-3-methylpiperazine dihydrochloride (CAS 140663-38-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H19Cl2N3O2S and a molecular weight of 364.291 g/mol. Key properties include a boiling point of 495.3ºC at 760 mmHg and a flash point of 253.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
140663-38-3
Jingsj CID
J-28598-2
Molecular Formula
C14H19Cl2N3O2S
Molecular Weight
364.291 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point495.3ºC at 760 mmHg
Flash Point253.3ºC
Exact Mass363.057495
PSA70.68000
LogP4.16870
Vapor Pressure6E-10mmHg at 25°C

Customs & Trade Information

HS Code2935009090
Summary2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of 1-(5-Isoquinolinylsulfonyl)-3-methylpiperazine dihydrochloride?

The CAS number of 1-(5-Isoquinolinylsulfonyl)-3-methylpiperazine dihydrochloride is 140663-38-3.

What are the molecular formula and molecular weight of 1-(5-Isoquinolinylsulfonyl)-3-methylpiperazine dihydrochloride?

1-(5-Isoquinolinylsulfonyl)-3-methylpiperazine dihydrochloride has molecular formula C14H19Cl2N3O2S and molecular weight 364.291 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(5-Isoquinolinylsulfonyl)-3-methylpiperazine dihydrochloride (CAS 140663-38-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28598-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.