O-Desmethyldiltiazem

O-去甲基地尔硫卓

Also known as: (2S,3S)-3-(Acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-hydroxyphenyl)-1,5-benzothiazepin-4(5H)-one, [(2S,3S)-5-[2-(dimethylamino)ethyl]-2-(4-hydroxyphenyl)-4-oxo-2,3-dihydro-1,5-benzothiazepin-3-yl] acetate, Diltiazem Impurity C HCl (O-Desmethyl Diltiazem HCl), 1,5-Benzothiazepin-4(5H)-one, 3-(acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-hydroxyphenyl)-, (2S,3S)-

O-Desmethyldiltiazem (CAS 84903-78-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H24N2O4S and a molecular weight of 400.49100 g/mol. It is also known as (2S,3S)-3-(Acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-hydroxyphenyl)-1,5-benzothiazepin-4(5H)-one, [(2S,3S)-5-[2-(dimethylamino)ethyl]-2-(4-hydroxyphenyl)-4-oxo-2,3-dihydro-1,5-benzothiazepin-3-yl] acetate and Diltiazem Impurity C HCl (O-Desmethyl Diltiazem HCl). Key property: a density of 1.32g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
84903-78-6
Jingsj CID
J-1115846-6
Molecular Formula
C21H24N2O4S
Chinese Name
O-去甲基地尔硫卓
Molecular Weight
400.49100 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Density1.32g/cm3

Frequently Asked Questions

What is the CAS number of O-Desmethyldiltiazem?

The CAS number of O-Desmethyldiltiazem is 84903-78-6.

What are the molecular formula and molecular weight of O-Desmethyldiltiazem?

O-Desmethyldiltiazem has molecular formula C21H24N2O4S and molecular weight 400.49100 g/mol.

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

Last updated:

How to cite: Jingsj. "O-Desmethyldiltiazem (CAS 84903-78-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1115846-6 (accessed 2026-10-25).

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