Griseofulvin

Griseofulvin

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Griseofulvin
Category Antibiotics
Catalog number BBF-01806
CAS 126-07-8
Molecular Weight 352.77
Molecular Formula C17H17ClO6
Purity >98%

Ordering Information

Catalog Number Size Price Stock Quantity
BBF-01806 50 g $199 In stock

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Description

It is produced by the strain of Penicillum griseofulvum. It can inhibit the strains of ClassZygomycetes, Ascomycetes and Deuteromycetes (MIC is 1-20 μg/mL), It can also inhibit the crimping of the spore tube of garlic rot grape (MIC is 1 μg/mL). It has obvious inhibitory effect on metaphase mitosis of bone marrow, small intestine and Walker 256 cancer cells.

Specification

Synonyms Curling factor; Fulvicin; Gris PEG; GrisPEG; Gris-PEG; Grisactin; Amudane; 7-Chloro-2',4,6-trimethoxy-6'beta-methylspiro(benzofuran-2(3H), 1'-(2)cyclohexene)-3,4'-dione; (2S-trans)-7-Chloro-2',4,6-trimethoxy-6'-methylspiro(benzofuran-2(3H), 1'-(2)cyclohexene)-3,4'-dione
Storage 2-8 °C
IUPAC Name (2S,5'R)-7-chloro-3',4,6-trimethoxy-5'-methylspiro[1-benzofuran-2,4'-cyclohex-2-ene]-1',3-dione
Canonical SMILES CC1CC(=O)C=C(C12C(=O)C3=C(O2)C(=C(C=C3OC)OC)Cl)OC
InChI InChI=1S/C17H17ClO6/c1-8-5-9(19)6-12(23-4)17(8)16(20)13-10(21-2)7-11(22-3)14(18)15(13)24-17/h6-8H,5H2,1-4H3/t8-,17+/m1/s1
InChI Key DDUHZTYCFQRHIY-RBHXEPJQSA-N
Source Penicillium sp.

Properties

Appearance ColoRed diamond or Acicular Crystal
Antibiotic Activity Spectrum Neoplastics (Tumor); Fungi
Boiling Point 469.04 °C (Predicted)
Melting Point 225-226 °C
Density 1.2579 g/cm3 (Predicted)
Solubility Slightly soluble in Chloroform, Ethyl Acetate, Acetone, Benzene, Dioxane
LogP 2.18

Toxicity

Carcinogenicity 2B, possibly carcinogenic to humans.
Mechanism Of Toxicity Griseofulvin is fungistatic, however the exact mechanism by which it inhibits the growth of dermatophytes is not clear. It is thought to inhibit fungal cell mitosis and nuclear acid synthesis. It also binds to and interferes with the function of spindle and cytoplasmic microtubules by binding to alpha and beta tubulin. It binds to keratin in human cells, then once it reaches the fungal site of action, it binds to fungal microtubes thus altering the fungal process of mitosis.

Reference Reading

1.Strategies for improving the solubility and metabolic stability of griseofulvin analogues.
Petersen AB1, Konotop G2, Hanafiah NH2, Hammershøj P1, Raab MS2, Krämer A3, Clausen MH4. Eur J Med Chem. 2016 Mar 28;116:210-215. doi: 10.1016/j.ejmech.2016.03.071. [Epub ahead of print]
We report two types of modifications to the natural product griseofulvin as strategies to improve solubility and metabolic stability: the conversion of aryl methyl ethers into aryl difluoromethyl ethers at metabolic hotspots and the conversion of the C-ring ketone into polar oximes. The syntheses of the analogues are described together with their solubility, metabolic half-life in vitro and antiproliferative effect in two cancer cell lines. We conclude that on balance, the formation of polar oximes is the most promising strategy for improving the properties of the analogues.
2.Influence of spray drying and dispersing agent on surface and dissolution properties of griseofulvin micro and nanocrystals.
Shah DA1, Patel M1, Murdande SB2, Dave RH1. Drug Dev Ind Pharm. 2016 May 4:1-9. [Epub ahead of print]
The purpose for the current research is to compare and evaluate physiochemical properties of spray-dried (SD) microcrystals (MCs), nanocrystals (NCs), and nanocrystals with a dispersion agent (NCm) from a poorly soluble compound. The characterization was carried out by performing size and surface analysis, interfacial tension (at particle moisture interface), and in-vitro drug dissolution rate experiments. Nanosuspensions were prepared by media milling and were spray-dried. The SD powders that were obtained were characterized morphologically using scanning electron microscopy (SEM), polarized light microscopy (PLM), and Flowchem. Solid-state characterization was performed using X-ray powder diffraction (XRPD), Fourier transfer infrared spectroscopy (FT-IR), and differential scanning calorimetry (DSC) for the identification of the crystalline nature of all the SD powders. The powders were characterized for their redispersion tendency in the water and in pH 1.

Spectrum

Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive

Experimental Conditions

Ionization Mode: Positive
Ionization Energy: 70 eV
Chromatography Type: Gas Chromatography Column (GC)
Instrument Type: Single quadrupole, spectrum predicted by CFM-ID(EI)
Mass Resolution: 0.0001 Da
Molecular Formula: C17H17ClO6
Molecular Weight (Monoisotopic Mass): 352.0714 Da
Molecular Weight (Avergae Mass): 352.766 Da

LC-MS/MS Spectrum - LC-ESI-qTof , Positive

Experimental Conditions

Instrument Type: LC-ESI-qTof
Ionization Mode: Positive

Predicted LC-MS/MS Spectrum - 10V, Positive

Experimental Conditions

Ionization Mode: Positive
Collision Energy: 10 eV
Instrument Type: QTOF (generic), spectrum predicted by CFM-ID
Mass Resolution: 0.0001 Da
Molecular Formula: C17H17ClO6
Molecular Weight (Monoisotopic Mass): 352.0714 Da
Molecular Weight (Avergae Mass): 352.766 Da

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