Levamisole hydrochloride

Also known as: (-)-Tetramisole hydrochloride, Levamisole HCl, Levamisole hydrochloride, (S)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole hydrochloride, L(-)-2,3,5,6-Tetrahydro-6-phenylimidazo[2,1-b]thiazole hydrochloride, L-Tetramisole hydrochloride, Decaris, Ergamisol, Nilverm, Ripercol, Solaskil, Tramisol, Levasole

Levamisole hydrochloride (CAS 16595-80-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13ClN2S and a molecular weight of 240.752 g/mol. Key properties include a melting point of 226-231ºC, a boiling point of 344.4ºC at 760 mmHg and a flash point of 162.1ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16595-80-5
Jingsj CID: J-1107649-8
Molecular Formula: C₁₁H₁₃ClN₂S
Molecular Weight: 240.752 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	226-231ºC
Boiling Point	344.4ºC at 760 mmHg
Flash Point	162.1ºC
Exact Mass	240.048798
PSA	40.90000
LogP	2.32160
Refractive Index	-126 ° (C=1， H2O)
Storage Conditions	2~8°C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

H301 — Toxic if swallowed

Activity & Biological Data

Additional Information	[1]. Centers for Disease Control and Prevention (CDC). Agranulocytosis associated with cocaine use - four States, March 2008-November 2009.MMWR Morb Mortal Wkly Rep. 2009 Dec 18;58(49):1381-5. [2]. Zhu NY, et al. Agranulocytosis after consumption of cocaine adulterated with levamisole. Ann Intern Med. 2009 Feb 17;150(4):287-9. [3]. Van Belle H. Alkaline phosphatase. I. Kinetics and inhibition by levamisole of purified isoenzymes from humans. Clin Chem. 1976 Jul;22(7):972-6.

Additional Information

[1]. Centers for Disease Control and Prevention (CDC). Agranulocytosis associated with cocaine use - four States, March 2008-November 2009.MMWR Morb Mortal Wkly Rep. 2009 Dec 18;58(49):1381-5. [2]. Zhu NY, et al. Agranulocytosis after consumption of cocaine adulterated with levamisole. Ann Intern Med. 2009 Feb 17;150(4):287-9. [3]. Van Belle H. Alkaline phosphatase. I. Kinetics and inhibition by levamisole of purified isoenzymes from humans. Clin Chem. 1976 Jul;22(7):972-6.

Customs & Trade Information

HS Code	2933290090
Summary	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Levamisole hydrochloride?

The CAS number of Levamisole hydrochloride is 16595-80-5.

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

Levamisole hydrochloride has molecular formula C11H13ClN2S and molecular weight 240.752 g/mol.

Is Levamisole hydrochloride hazardous?

Levamisole hydrochloride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.

What are the upstream and downstream products of Levamisole hydrochloride?

For Levamisole hydrochloride, Upstream Products: tetramisole; Downstream Products: Levamisole.

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. "Levamisole hydrochloride (CAS 16595-80-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1107649-8 (accessed 2026-11-07).

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