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    (+)-Corynoline
    Information
    CAS No. 18797-79-0 Price $118 / 20mg
    Catalog No.CFN99745Purity>=98%
    Molecular Weight367.40Type of CompoundAlkaloids
    FormulaC21H21NO5Physical DescriptionPowder
    Download Manual    COA    MSDS    SDFSimilar structuralComparison (Web)
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    (+)-Corynoline Description
    Source: The tubers of Corydalis ambigua
    Biological Activity or Inhibitors: 1. Corynoline, isolated from the aerial parts of Corydalis incisa, has inhibitory effect on the acetylcholinesterase with reversible and noncompetitive.
    2. Corynoline exhibits the potent anti-inflammatory and/or immunosuppressive activity, the potent inhibitory activity of corynoline for the ICAM-1/LFA-1 adhesion and would be important on developing the clinically usable drugs for the inflammatory diseases.
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
    Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

    After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

    Cell. 2018 Jan 11;172(1-2):249-261.e12.
    doi: 10.1016/j.cell.2017.12.019.

    PMID: 29328914

    Mol Cell. 2017 Nov 16;68(4):673-685.e6.
    doi: 10.1016/j.molcel.2017.10.022.

    PMID: 29149595

    Scientific Reports 2017 Dec 11;7(1):17332.
    doi: 10.1038/s41598-017-17427-6.

    PMID: 29230013

    Molecules. 2017 Oct 27;22(11). pii: E1829.
    doi: 10.3390/molecules22111829.

    PMID: 29077044

    J Cell Biochem. 2018 Feb;119(2):2231-2239.
    doi: 10.1002/jcb.26385.

    PMID: 28857247

    Phytomedicine. 2018 Feb 1;40:37-47.
    doi:10.1016/j.phymed.2017.12.030

    PMID: 29496173
    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 2.7218 mL 13.6091 mL 27.2183 mL 54.4366 mL 68.0457 mL
    5 mM 0.5444 mL 2.7218 mL 5.4437 mL 10.8873 mL 13.6091 mL
    10 mM 0.2722 mL 1.3609 mL 2.7218 mL 5.4437 mL 6.8046 mL
    50 mM 0.0544 mL 0.2722 mL 0.5444 mL 1.0887 mL 1.3609 mL
    100 mM 0.0272 mL 0.1361 mL 0.2722 mL 0.5444 mL 0.6805 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
    (+)-Corynoline References Information
    Citation [1]

    Tetrahedron Letters Volume 27, Issue 19, 1986, Pages 2103–2106

    Synthesis of a hypothetical intermediate in the biosynthesis of the 13-methylbenzophenanthridine alkaloids corynoline and 14-epicorynoline and the B-secoprotoberberine alkaloid corydalic acid methyl ester[Reference: WebLink]
    A novel carbinolammonium chloride has been synthesized as a possible intermediate in the biosynthetic conversion of the 13-methylprotoberberine alkaloid (+)-tetrahydrocorysamine to the benzophenanthridine alkaloids (+)-Corynoline, (+)-14-epicorynoline, and the B-secoprotoberberine alkaloid (+)-corydalic acid methyl ester.
    Citation [2]

    Bioorg Med Chem. 2005 Mar 1;13(5):1867-72.

    Cell adhesion inhibitory activity of (d)-corynoline, a hexahydrobenzo[c]phenanthridine-type alkaloid, and its structure-activity relationship, studied by X-ray crystal structure analysis and molecular docking study.[Pubmed: 15698804 ]
    Corynoline (1), a hexahydrobenzo[c]phenanthridine-type alkaloid, exhibited the concentration-dependent inhibition for the adhesion of human polymorphonuclear leukocyte and eosinophil to human umbilical vein cultured endothelial cell in the concentration range of showing no significant cytotoxicity for the cell: IC(50) value=72.4 microM for (d)-1 and 156.7 microM for (l)-1. This shows the potent anti-inflammatory and/or immunosuppressive activity of 1. To elucidate possible structure-activity relationship, the conformational/structural feature of (d)-1 was investigated by X-ray crystal structure analysis and molecular orbital energy calculations, and the docking study was performed for its interaction with the D1-domain of ICAM-1 (intracellular adhesion molecule-1). A plausible model was proposed, in which all polar atoms of (d)-1 are linked by hydrogen bonds or electrostatic interactions with the functional residues of ICAM-1, that have been supposed to be necessary for the binding with LFA-1 (leukocyte function-associated antigen-1). This suggests the potent inhibitory activity of 1 for the ICAM-1/LFA-1 adhesion and would be important on developing the clinically usable drugs for the inflammatory diseases.
    Citation [3]

    Arch Pharm Res. 2002 Dec;25(6):817-9.

    Inhibitory effect of corynoline isolated from the aerial parts of Corydalis incisa on the acetylcholinesterase.[Pubmed: 12510831]
    In the course of screening Korean natural products for acetylcholinesterase (AChE) inhibitory activity, it was found that a methanolic extract of the aerial parts of Corydalis incisa (Papaveraceae) showed significant inhibitory effects on AChE. Corynoline isolated from this plant inhibited AChE activity in a dose-dependent manner, and the IC50 value of corynoline was 30.6 microM. The AChE inhibitory activity of corynoline was reversible and noncompetitive.