• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
Olopatadine Hydrochloride

Olopatadine Hydrochloride

Product ID O4658
Cas No. 140462-76-6
Purity ≥99%
Product Unit SizeCostQuantityStock
10 mg $58.00 In stock
25 mg $117.00 In stock
100 mg $321.00 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

Olopatadine hydrochloride is an antihistamine clinically used to treat allergic rhinitis and allergic conjunctivitis. This compound acts as a mast cell stabilizer, preventing histamine and TNF-α release from mast cells. Olopatadine is also an antagonist at histamine H1/2/3 receptors, although it is selective primarily for H1 receptors over other subtypes. Additionally, olopatadine suppresses allergy-related increases in substance P, NGF, and VEGF.

Product Info

Cas No.

140462-76-6

Purity

≥99%

Formula

C21H23NO3 • HCl

Formula Wt.

373.87

IUPAC Name

2-[(11Z)-11-[3-(dimethylamino)propylidene]-6H-benzo[c][1]benzoxepin-2-yl]acetic acid;hydrochloride InChI: InChI=1S/C21H23NO3.ClH/c1-22(2)11-5-8-18-17-7-4-3-6-16(17)14-25-20-10-9-15(12-19(18)20)13-21(23)24;/h3-4,6-10,12H,5,11,13-14H2,1-2H3,(H,23,24);1H/b18-8-;

Melting Point

245-248°C

Solubility

H2O: ≥20 mg/mL DMSO: 37mg/ml

Appearance

White powder

Shipping and Storage

Store Temp

Ambient

Ship Temp

Ambient

Downloads

MSDS

O4658 MSDS PDF

Info Sheet

O4658 Info Sheet PDF

References

Tamura T. Olopatadine ophthalmic solution suppresses substance P release in the conjunctivitis models. Asia Pac Allergy. 2012 Apr;2(2):115-21. PMID: 22701861.

Tamura T. Investigation of the antiallergic activity of olopatadine on rhinitis induced by intranasal instillation of antigen in sensitized rats using thermography. Asia Pac Allergy. 2011 Oct;1(3):138-44. PMID: 22053310.

Roland PS, Ryan MW, Wall GM. Olopatadine nasal spray for the treatment of seasonal allergic rhinitis in patients aged 6 years and older. Expert Opin Pharmacother. 2010 Jun;11(9):1559-67. PMID: 20482305.

Leonardi A, Quintieri L. Olopatadine: a drug for allergic conjunctivitis targeting the mast cell. Expert Opin Pharmacother. 2010 Apr;11(6):969-81. PMID: 20307221.

Sharif NA, Xu SX, Yanni JM. Olopatadine (AL-4943A): ligand binding and functional studies on a novel, long acting H1-selective histamine antagonist and anti-allergic agent for use in allergic conjunctivitis. J Ocul Pharmacol Ther. 1996 Winter;12(4):401-7. PMID: 8951676.

Yanni JM, Stephens DJ, Miller ST, et al. The in vitro and in vivo ocular pharmacology of olopatadine (AL-4943A), an effective anti-allergic/antihistaminic agent. J Ocul Pharmacol Ther. 1996 Winter;12(4):389-400. PMID: 8951675.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • G681019

    Grapiprant

    EP4 receptor antagonist

    ≥98%
  • C3479

    Citrinin

    Mycotoxin produced by Penicillum, Aspergillus, ...

    ≥98%
  • R5894

    Roxatidine Acetate Hydrochloride

    Histamine H2 antagonist.

    ≥98%
  • E7731

    17-α-Ethynylestradiol

    Synthetic steroid hormone; ER agonist.

    ≥99%
  • A7400

    ASP3026

    ALK inhibitor.

    ≥98%
  • V3455

    Vinpocetine

    Targets nuclear factor kappa B activation.

    ≥98%
  • D0169

    Darifenacin Hydrobromide

    M3 mAChR antagonist.

    ≥98%
  • U6859

    Urocortin III, human

    Endogenous peptide, involved in stress signalin...

    ≥95%
  • L589940

    LOXO-101

    Inhibitor of tropomyosin kinase receptors TRKA,...

    ≥99%
  • T2835

    6-Thioguanine

    Nucleotide (guanine) analog, prevents guanine s...

    ≥90%
  • P8382

    Puupehenone

    Sesquiterpene found in marine sponges.

    ≥94%
  • B1978

    Betulin-3-Acetate

    Pentacyclic triterpene found in various plant s...

    ≥97%
  • C086007

    CC-671

    TTK/CLK2 inhibitor.

    ≥98%
  • A4802

    Amantadine Hydrochloride

    Viral M2 proton channel blocker, MAO-A, NET, NM...

    ≥98%
  • N1757

    Neostigmine Bromide

    AChE inhibitor.

    ≥92%
  • SC7056

    Snake venom – Crotalus durissus terrificus

    Snake venom found in Crotalus durrisus terrific...

    ≥98%
  • S8110

    Sucralfate

    Antacid; pepsin inhibitor. Assay (Polysaccharid...

    Assay (Polysaccharide sulfate) 30-38%
  • C5260

    C-type Natriuretic Peptide (1-22), pig/human/rat

    Endogenous cardiomodulatory peptide; NPR-B agon...

    ≥95%
  • C7992

    CTX-0294885

    Bisaniline pyrimidine; pan-kinase inhibitor.

    ≥98%
  • H1992

    Hexaconazole

    Triazole; demethylation inhibitor.

    ≥95%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2026 LKT Laboratories, All Rights Reserved - Products for research use only