Clemastanin B
Based on 1 publication(s) in Google Scholar
Clemastanin B, a lignin, has potent anti-influenza activities by inhibiting the virus multiplication, prophylaxsis and blocking the virus attachment. Clemastanin B targets viral endocytosis, uncoating or ribonucleoprotein (RNP) export from the nucleus. Clemastanin B has antioxidant and anti-inflammatory activities.
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- Pureté: 99.71%
- CAS No.: 112747-98-5
- Formule: C32H44O16
- Masse moléculaire:684.68
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Stockage:
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
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Activité biologique
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Chemical Information
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Solvant et solubilité
- Pureté et documentation
- Références
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) Clemastanin B
More
Activité biologique
Clemastanin B inhibits different subtypes of human (H1N1, including swine-origin H1N1; H3N2 and influenza B) and avian influenza viruses (H6N2, H7N3, H9N2) at different magnitudes of activity (IC50 0.087-0.72 mg/ml) while this compound was inactive against respiratory syncytial virus (RSV), adenovirus 3 (ADV3), parainfluenza virus 3 (PIV3), enterovirus 71 (EV71) and human rhinovirus (HRV)[1].
Clemastanin B (0.05, 0.1, 0.2, 0.4 mg/ml; for 8 hours) treatment results in nucleoprotein (NP) distribution in the nuclei in MDCK cells[1].
Clemastanin B (48-72 h) after virus incubation (MOI, 0.01; for 2 h) causes a pronounced titer reduction of progeny virus in MDCK cells[1].
Clemastanin B (pre-incubated for 2 h) has no protective effect on MDCK cell lines with influenza virus[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 112747-98-5
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Appearance Solid
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Masse moléculaire 684.68
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Formule C32H44O16
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Color White to light yellow
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SMILES
OC[C@@H]1[C@](C2=CC(OC)=C(C=C2)O[C@@H]3O[C@@H]([C@H]([C@@H]([C@H]3O)O)O)CO)([H])OC[C@@H]1CC4=CC(OC)=C(C=C4)O[C@@H]5O[C@@H]([C@H]([C@@H]([C@H]5O)O)O)CO
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Structure Classification
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Initial Source
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Publications (1)
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Journal Impact Factor
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Most Recent
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Vet Microbiol
The Chinese medicine monomer Schisandrin C inhibits PRRSV infection by regulating the OGT-PI3K/AKT/mTOR signaling pathway. [Abstract]2026 May:316:110992. PMID: 41865607
Solvant et solubilité
H2O : 50 mg/mL (73.03 mM; Need ultrasonic)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Pureté et documentation
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Fiche technique (274 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Portuguese - PT (252 KB)
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Instruction de manipulation (2659 KB)
Références
[1]. Zifeng Yang, et al. Antiviral activity of Isatis indigotica root-derived clemastanin B against human and avian influenza A and B viruses in vitro. Int J Mol Med. 2013 Apr;31(4):867-73. [Content Brief]
[2]. Ping Xiao, et al. Antiviral activities against influenza virus (FM1) of bioactive fractions and representative compounds extracted from Banlangen (Radix Isatidis). J Tradit Chin Med. 2016 Jun;36(3):369-76. [Content Brief]
[3]. Ping Xiao, et al. In vitro antioxidant and anti-inflammatory activities of Radix Isatidis extract and bioaccessibility of six bioactive compounds after simulated gastro-intestinal digestion. J Ethnopharmacol. 2014 Nov 18;157:55-61. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| H2O | 1 mM | 1.4605 mL | 7.3027 mL | 14.6054 mL | 36.5134 mL |
| 5 mM | 0.2921 mL | 1.4605 mL | 2.9211 mL | 7.3027 mL | |
| 10 mM | 0.1461 mL | 0.7303 mL | 1.4605 mL | 3.6513 mL | |
| 15 mM | 0.0974 mL | 0.4868 mL | 0.9737 mL | 2.4342 mL | |
| 20 mM | 0.0730 mL | 0.3651 mL | 0.7303 mL | 1.8257 mL | |
| 25 mM | 0.0584 mL | 0.2921 mL | 0.5842 mL | 1.4605 mL | |
| 30 mM | 0.0487 mL | 0.2434 mL | 0.4868 mL | 1.2171 mL | |
| 40 mM | 0.0365 mL | 0.1826 mL | 0.3651 mL | 0.9128 mL | |
| 50 mM | 0.0292 mL | 0.1461 mL | 0.2921 mL | 0.7303 mL | |
| 60 mM | 0.0243 mL | 0.1217 mL | 0.2434 mL | 0.6086 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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