Quinacrine dihydrochloride

Also known as: Mepacrine dihydrochloride, Atebrin hydrochloride, 6-Chloro-9-(4-diethylamino-1-methylbutylamino)-2-methoxyacridine dihydrochloride, Acrichine, Acriquine, Chinacrin hydrochloride, Erion, Italchin, Metoquine, Palacrin, 1,4-Pentanediamine, N4-(6-chloro-2-methoxy-9-acridinyl)-N1,N1-diethyl-, hydrochloride (1:2), MFCD00012659, EINECS 200-700-8

Quinacrine dihydrochloride (CAS 69-05-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H32Cl3N3O and a molecular weight of 472.88 g/mol. Key properties include a melting point of ca. 248 - 250ºC (decomposes) and a density of 1.2962 (rough estimate). It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 69-05-6
Jingsj CID: J-46706-3
Molecular Formula: C₂₃H₃₂Cl₃N₃O
Molecular Weight: 472.88 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	ca. 248 - 250ºC (decomposes)
Density	1.2962 (rough estimate)
PSA	37.39000
LogP	6.84740
Refractive Index	1.6300 (estimate)

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information	[1]. Grünhagen HH, et al. Studies on the electrogenic action of acetylcholine with Torpedo marmorata electric organ. IV. Quinacrine: a fluorescent probe for the conformational transitions of the cholinergic receptor protein in its membrane-bound state. J Mol Biol. 1976 Sep 25;106(3):497-516. [2]. Eriksson A, et al. Drug screen in patient cells suggests quinacrine to be repositioned for treatment of acute myeloid leukemia.Blood Cancer J. 2015 Apr 17;5:e307.

Additional Information

[1]. Grünhagen HH, et al. Studies on the electrogenic action of acetylcholine with Torpedo marmorata electric organ. IV. Quinacrine: a fluorescent probe for the conformational transitions of the cholinergic receptor protein in its membrane-bound state. J Mol Biol. 1976 Sep 25;106(3):497-516. [2]. Eriksson A, et al. Drug screen in patient cells suggests quinacrine to be repositioned for treatment of acute myeloid leukemia.Blood Cancer J. 2015 Apr 17;5:e307.

Frequently Asked Questions

What is the CAS number of Quinacrine dihydrochloride?

The CAS number of Quinacrine dihydrochloride is 69-05-6.

What are the molecular formula and molecular weight of Quinacrine dihydrochloride?

Quinacrine dihydrochloride has molecular formula C23H32Cl3N3O and molecular weight 472.88 g/mol.

Is Quinacrine dihydrochloride hazardous?

Quinacrine dihydrochloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Quinacrine dihydrochloride?

For Quinacrine dihydrochloride, Downstream Products: 9-Amino-6-chloro-2-methoxyacridine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Quinacrine dihydrochloride (CAS 69-05-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46706-3 (accessed 2026-11-06).

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