Size | Price | Stock | Qty |
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2g |
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5g |
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10g |
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25g |
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50g |
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100g |
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Other Sizes |
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Purity: ≥98%
Naphazoline HCl (Albalon Liquifilm; Nafazair; Rhinantin; Vasocon), the hydrochloride salt of Naphazoline, is an imidazoline-based ocular vasoconstrictor and sympathomimetic amine used as a nasal decongestant.
Targets |
IL-1β; IL-6; IL-4
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ln Vivo |
Naphazoline hydrochloride (0.2 mg/kg, 10 µl per eye; IP, once) inhibits conjunctivitis in mice by reducing inflammation, NGF, and VEGF, as well as histamine- or antigen-induced conjunctival vascular hyperpermeability[1].
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Animal Protocol |
Female wild-type BALB/c mice (4-5 weeks, 18 ± 2 g, n=8/group, allergic conjunctivitis mouse model established using histamine or an antigen (ovalbumin))
0.2 mg/mL, 10 µl per eye Intraperitoneal injection (IP), once |
References |
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Molecular Formula |
C14H15CLN2
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Molecular Weight |
246.74
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Exact Mass |
246.09
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Elemental Analysis |
C, 68.15; H, 6.13; Cl, 14.37; N, 11.35
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CAS # |
550-99-2
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Related CAS # |
Naphazoline nitrate; 5144-52-5; Naphazoline; 835-31-4
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Appearance |
Solid powder
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SMILES |
C1CN=C(N1)CC2=CC=CC3=CC=CC=C32.Cl
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InChi Key |
DJDFFEBSKJCGHC-UHFFFAOYSA-N
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InChi Code |
InChI=1S/C14H14N2.ClH/c1-2-7-13-11(4-1)5-3-6-12(13)10-14-15-8-9-16-14;/h1-7H,8-10H2,(H,15,16);1H
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Chemical Name |
2-(naphthalen-1-ylmethyl)-4,5-dihydro-1H-imidazole;hydrochloride
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Synonyms |
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HS Tariff Code |
2934.99.9001
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Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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Solubility (In Vitro) |
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Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
1 mM | 4.0528 mL | 20.2642 mL | 40.5285 mL | |
5 mM | 0.8106 mL | 4.0528 mL | 8.1057 mL | |
10 mM | 0.4053 mL | 2.0264 mL | 4.0528 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration: mg/mL;
Method for preparing DMSO stock solution: mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation::Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
NCT00770133 | Completed | Drug: Ketotifen/naphazoline Drug: Naphazoline Drug: Ketotifen |
Allergic Conjunctivitis | Bausch & Lomb Incorporated | February 2010 | Phase 3 |
NCT00769886 | Completed | Drug: Ketotifen/naphazoline Drug: Ketotifen Drug: Naphazoline Drug: Vehicle |
Allergic Conjunctivitis | Bausch & Lomb Incorporated | October 2008 | Phase 3 |
NCT03324113 | Completed | Drug: SAR408701 Drug: dexamethasone Drug: naphazoline |
Neoplasm Malignant | Sanofi | October 17, 2017 | Phase 1 |
NCT05470868 | Completed | Drug: Naphazoline / Hypromellose Ophthalmic |
Hyperemia Eye | Laboratorios Sophia S.A de C.V. | February 4, 2023 | Phase 1 |
NCT01533220 | Completed | Drug: naphazoline hydrocloride Drug: Naphazoline hydrocloride + Pheniramine Maleate + Panthenol |
Flu Cold |
EMS | January 1, 2013 | Phase 3 |
Treatment with OLO and NH reduces antigen-induced conjunctival vascular hyperpermeability in mice. Mol Med Rep . 2016 Apr;13(4):3319-25. td> |
Olopatadine and naphazoline hydrochloride reduce the expression levels of VEGF in mice with antigen-induced conjunctival vascular hyperpermeability. Mol Med Rep . 2016 Apr;13(4):3319-25 td> |