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Corysamine chloride
Corysamine chloride
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Corysamine chloride
Price:
CAS No.: 11028-77-6
Catalog No.: CFN91710
Molecular Formula: C20H16ClNO4
Molecular Weight: 369.8 g/mol
Purity: >=98%
Type of Compound: Alkaloids
Physical Desc.: Powder
Source: The rhizomes of Corydalis edulis
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS
Similar structural: Comparison (Web)  (SDF)
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Corysamine chloride was identified to be active as the inhibitors of ACHE.
In vitro:
Se Pu . 2013 Jul;31(7):640-5.
Screening of the active ingredients in natural products by capillary electrophoresis and high performance liquid chromatography-mass spectrometry[Pubmed: 24164032]
A new strategy for screening the crude natural extracts and quickly identifying the bioactive compounds was developed. In combination with high performance liquid chromatography-mass spectrometry (HPLC-MS) , the biologically active compounds, such as the enzyme i n the crude natural extract ca n be quickly identified by capillary electrophoresis (CE) -based activity assay. The crude natural extracts were assayed by a CE-based enzyme inhibitor screening method, and the active extract was isolated by HPLC-MS/MS with a semipreparative column. Then, each eluted component was assayed again with the CE-based assay method. Finally, the structures of the identified active compounds were elucidated by MS/MS analysis. Acetylcholinesterase ( ACHE), its substrate acetylthiocholine chloride ( AThCh), as well as the crude extract of Rhizoma coptidis were utilized for the proof of the methodology. Seven isoquinoline alkaloids, namely jatrorrhizine, epiberberine, columbamine, coptisine, corysamine, palmatine and berberine were identified to be active as the inhibitors of ACHE. Their IC50 values were 40, 442, 38, 182, 419, 54 and 16 micromol/L, respectively. Compared with the traditional screening methods, the method is characterized with several advantages, such as extremely low sample and reagent consumption, high speed of analysis, high sensitivity of detection, high throughput in terms of preparation of the natural products by HPLC. Overall, the results demonstrate that the method is valuable for the screening of the bioactive compounds in the crude natural extracts.
Corysamine chloride Description
Source: The rhizomes of Corydalis edulis
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

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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.7042 mL 13.5208 mL 27.0416 mL 54.0833 mL 67.6041 mL
5 mM 0.5408 mL 2.7042 mL 5.4083 mL 10.8167 mL 13.5208 mL
10 mM 0.2704 mL 1.3521 mL 2.7042 mL 5.4083 mL 6.7604 mL
50 mM 0.0541 mL 0.2704 mL 0.5408 mL 1.0817 mL 1.3521 mL
100 mM 0.027 mL 0.1352 mL 0.2704 mL 0.5408 mL 0.676 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.
Protocol
Kinase Assay:
J Enzyme Inhib . 1985;1(1):35-46.
Interaction of yeast alcohol dehydrogenase with protoberberine alkaloids[Pubmed: 3916911]
Oxidation of ethanol and reduction of aldehyde catalysed by yeast alcohol dehydrogenase is inhibited by several naturally occurring as well as semi-synthetic protoberberine alkaloids. The affinity of these compounds for the enzyme depends essentially on their hydrophobicity. Corysamine and coptisine are the most potent inhibitors among the natural alkaloids of this group. The kinetics of yeast alcohol dehydrogenase inhibition with coptisine were analysed and equilibrium measurements using optical methods were carried out. The results suggest that the binding site of the enzyme for protoberberines is not identical with those for coenzyme and substrate though it should be located near the nicotinamide ring of bound NAD. The binding of protoberberines seems to be limited to rather superficially located hydrophobic groups in the vicinity of the active site of the enzyme. The inability of these alkaloids to protrude deeply into the molecule of yeast alcohol dehydrogenase at the catalytically important region is the main difference in their behaviour towards alcohol dehydrogenases from yeast and horse liver.
Structure Identification:
J Pharm Sci . 1976 Feb;65(2):294-6
Isolation and chemistry of alkaloids from plants of the family Papaveraceae LXVII: Corydalis cava (L.) Sch. et K. (C. tuberosa DC)[Pubmed: 1255467]
From Corydalis cava (L.) Sch. et K. (C. tuberosa DC) (Papaveraceae: genus Corydalis Med.), a mixture of alkaloids (0.53%) was isolated. The main alkaloid was (+)-bulbocapnine, and the minor alkaloids were coptisine, (+)-domestine, adlumidiceine, (+)-predicentrine, protopine, (-)-capnoidine, (+)-stylopine, (+)-isoboldine, 8-oxocoptisine, 1,2-methylenedioxy-6a,7-dehydroaporphine-10,11-quinone, and corysamine. In addition, fumaric acid was obtained. Coptisine, adlumidiceine, predicentrine, 8-oxocoptisine, corysamine, 1,2-methylenedioxy-6a, 7-dehydroaporphine-10,11-quinone, and isoboldine were found in C. cava for the first time, but rhoeadine and papaverrubine alkaloids were not detected. Predicentrine and isoboldine were identified on the basis of the UV, IR, mass, and PMR spectra.
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