Cyclizine hydrochloride 

Cyclizine hydrochloride, a piperazine-derivative, is a potent and selective histamine H1 receptor antagonist. Cyclizine hydrochloride can be used for the research of nausea, vomiting, and dizziness^[1][2][3].

Cyclizine (100 μM) hydrochloride significantly inhibits nitrite accumulation and iNOS protein levels in the LPS-stimulated in RAW 264.7 cells supernatants^[1].
Cyclizine hydrochloride inhibits anti-IgE-induced histamine release from isolated human lung fragments, with an IC₅₀ of 5.42 μM^[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Cyclizine (1-10 mg/kg) hydrochloride enhances locomotor activity of mice in a dose-dependent manner^[3].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

302.84

C₁₈H₂₃ClN₂

303-25-3

CN1CCN(C(C2=CC=CC=C2)C3=CC=CC=C3)CC1.[H]Cl

Room temperature in continental US; may vary elsewhere.

Please store the product under the recommended conditions in the Certificate of Analysis.

• [1]. Králová J, et, al. The effects of H1-antihistamines on the nitric oxide production by RAW 264.7 cells with respect to their lipophilicity. Int Immunopharmacol. 2009 Jul;9(7-8):990-5.  [Content Brief]

  [2]. Church MK, et, al. Inhibition of histamine release from human lung in vitro by antihistamines and related drugs. Br J Pharmacol. 1980 Aug;69(4):663-7.  [Content Brief]

  [3]. Leza JC, et, al. Effects of antihistaminics on locomotor activity in mice. Comparison with opiate and amphetamine-induced hyperactivity. Gen Pharmacol. 1991;22(2):293-6.  [Content Brief]