ANTAZOLINE

Antazoline is a first‑generation antihistamine used for allergic conjunctivitis. It blocks H1 receptors, providing itch and redness relief. Side effects may include mild stinging, dryness, or blurred vision.

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Product Description


Mechanism of action

Antazoline is an H₁ antihistamine with additional anticholinergic properties. It competitively blocks peripheral histamine H₁ receptors, reducing vasodilation, vascular permeability, and allergic inflammatory responses.

Benefits and advantages

Widely used in allergy pathway research, mast‑cell mediator studies, ocular pharmacology, and comparative antihistamine evaluations. Its rapid onset makes it a reference compound in acute allergic reaction testing.

Side effects and risks

Sedation, anticholinergic effects, mild tachycardia, and rare hypersensitivity may occur. Handle as a CNS‑active antihistamine.

Datasheet


Molecular Formula

C17H19N3O

Molecular Weight

265.35 g/mol

CAS Number

91-75-8

Storage Condition

Store in a cool, dry place. Keep container tightly closed. Protect from moisture and light.

Solubility

Solubility depends on solvent and conditions (e.g., pH). Please contact us for solvent-specific guidance.

Purity

Purity information is available upon request (COA).

Synonym

antazoline; 91-75-8; Phenazoline; Antihistal; Antastan

IUPAC/Chemical Name

N-benzyl-N-(4,5-dihydro-1H-imidazol-2-ylmethyl)aniline

InChl Key

REYFJDPCWQRWAA-UHFFFAOYSA-N

InChl Code

InChI=1S/C17H19N3/c1-3-7-15(8-4-1)13-20(14-17-18-11-12-19-17)16-9-5-2-6-10-16/h1-10H,11-14H2,(H,18,19)

References

https://pubchem.ncbi.nlm.nih.gov/compound/2200;

3D Conformer.

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