O-Desacetyl-N-desmethyl Diltiazem

O-脱乙酰基-N-去甲基地尔硫卓

Also known as: Deacetyl N-Monodesmethyl Diltiazem, Diltiazem Impurity 7, 3-Hydroxy-2-(4-methoxy-phenyl)-5-(2-methylamino-ethyl)-2,3-dihydro-5H-benzo[b][1,4]thiazepin-4-one

O-Desacetyl-N-desmethyl Diltiazem (CAS 81353-09-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H22N2O3S and a molecular weight of 358.45500 g/mol. It is also known as Deacetyl N-Monodesmethyl Diltiazem, Diltiazem Impurity 7 and 3-Hydroxy-2-(4-methoxy-phenyl)-5-(2-methylamino-ethyl)-2,3-dihydro-5H-benzo[b][1,4]thiazepin-4-one. Key properties include a melting point of 134-136ºC (dec.), a boiling point of 612ºC at 760 mmHg, a density of 1.239g/cm3 and a flash point of 323.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 81353-09-5
Jingsj CID: J-1454468-2
Molecular Formula: C₁₉H₂₂N₂O₃S
Chinese Name: O-脱乙酰基-N-去甲基地尔硫卓
Molecular Weight: 358.45500 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	134-136ºC (dec.)
Boiling Point	612ºC at 760 mmHg
Density	1.239g/cm3
Flash Point	323.9ºC

Frequently Asked Questions

What is the CAS number of O-Desacetyl-N-desmethyl Diltiazem?

The CAS number of O-Desacetyl-N-desmethyl Diltiazem is 81353-09-5.

What are the molecular formula and molecular weight of O-Desacetyl-N-desmethyl Diltiazem?

O-Desacetyl-N-desmethyl Diltiazem has molecular formula C19H22N2O3S and molecular weight 358.45500 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. "O-Desacetyl-N-desmethyl Diltiazem (CAS 81353-09-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454468-2 (accessed 2026-10-27).

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